This is a documentation of the increase of this homepage since January 2011.


06.09. Modifications to Eurasian Wryneck and Great Spotted Woodpecker
05.06. Modifications to Budgerigar and some measurements tables
04.07. Modifications to Common Scoter and Eurasian Siskin
04.06. Additions to Identification guide
02.12. Modifications within some measurements tables
12.30. Modification to White-tailed Eagle
12.03. Scans in high resolution for Indian Peafowl
11.29. Scans in high resolution for Eurasian Collared Dove and Eurasian Woodcock
10.26. Modification to Cory's Shearwater
10.22. New species: Trocaz Pigeon, Modifications to Bearede Reedling ans Red Crossbill
05.19. Modifications within some measurements tables
05.17. Modifications to Herring Gull
05.11. Addition to Red Kite
03.11. Addition to Common Crane
01.19. Little Modifications to Identification guide
01.07. Modifications to White-tailed Eagle, Eurasian Kestrel, Hawfinch
12.14. Modifications within some measurements tables
12.11. Additions to Eurasian Capercaillie, Egyptian Goose, Eurasian Cuckoo, Ruff, Curlew Sandpiper, Common Redshank, Little Gull and modifications of some measurements tables
10.25. Addition and little modifications to Passeriformes
10.15. Addition and little modifications to Accipitriformes und Strigiformes
10.14. Addition and little modifications to Charadriiformes
10.12. Addition and little modifications to Galliformes, Anseriformes and Columbiformes
09.14. Addition to Greater Whitethroat and House Sparrow
07.25. Addition to Common Wood Pigeon
06.24. Modifications to Common Buzzard and Common Chiffchaff
06.11. Modifications within some measurements tables
06.01. Modification to Eurasian Bullfinch
05.23. Addition to Eurasian Pygmy-Owl
05.09. Modifications within some measurements tables
04.23. Modification to European Goldfinch
03.30. Modification to Eurasian Kestrel und House Sparrow
03.13. Modification to Common Scoter
03.08. New species: Whooper Swan
01.25. Additions to Great Bustard
01.16. Modifications within some measurements tables
01.14. Modifications to Spotted Flycatcher and Common Nightingale
01.11. Modifications to Common Murre and Saker Falcon
12.30. Modifications to Hawfinch
12.09. Modifications within some measurements tables
12.07. Additions to Eurasian Sparrowhawk
11.30. New species:  Yelkouan Shearwater, Additions to Cory's Shearwater, Barn Owl and Eleonora's Falcon
11.05. Additions to White-throated Dipper
09.03. Additions to Common Kingfisher
08.08. Additions to Identification Guide
08.02. Additions to Identification Guide
07.19. Little modifications to Identification Guide
07.07. Modifications to Common Swift, Goldcrest and Gray Wagtail
05.21. Modifications to Manx Shearwater, Eurasian Pygmy-Owl, Ruby-crowned Kinglet, Short-toed Treecreeper and some measurements tables
03.21. Modifications to Common Shelduck, European Scops-Owl, Little Owl, Hooded Crow, Cetti's Warbler, European Stonechat
02.27 New species:  Barbary Partridge, Brown-necked Raven, Eastern Crowned Warbler, small changes
02.21 New species:  Alpine Accentor, Grey-headed Bullfinch
02.05. Modification to Eurasian Sparrowhawk
01.22. Modifications to Black Redstart, Eurasian Tree Sparrow, House Sparrow, Dunnock, Common Chaffinch, Island Canary, European Goldfinch
01.20. Modifications to Red-backed Shrike, Eurasian Magpie, Eurasian Blue Tit, Crested Tit, Great Tit, Sky Lark, Barn Swallow, Greater Whitethroat, Firecrest, Short-toed Treecreeper, European Starling, Eurasian Blackbird
01.18. Modifications to Northern Goshawk, Black Kite, Ural Owl, Boreal Owl, Short-eared Owl, Long-eared Owl, Tawny Owl, Great Spotted Woodpecker, Black Woodpecker, Green Woodpecker, Eurasian Kestrel, Rose-ringed Parakeet
01.15. Modifications to Green-winged Teal, Street Dove, Stock Pigeon, Eurasian Coot, Northern Lapwing,  Common Ringed Plover, Dunlin, Red Knot, Common Redshank, Lesser Black-backed Gull, Herring Gull, Common Murre
01.09. New species: Namaqua Dove and Greater Crested Tern, modifications within some measurements tables
01.02. Modifications within some measurements tables
11.23. Correction to Lady Amherst's Pheasant and deletion of Iberian Magpie
08.05. Completion to Eurasian Cuckoo
07.28. Modifications and completions to Barnacle Goose, Mallard, Green Woodpecker, Rose-ringed Parakeet, Eurasian Blue Tit, Blackcap, Short-toed Treecreeper, European Robin, Red Crossbill
07.21. Modification within some measurements tables
07.11. Extensive switch of the system to the new IOC World Bird List v10.1
06.11. New species: Collared Flycatcher, Black Wheatear, Cyprus Wheatear; compleations to some other Muscicapidae species
06.07. Compleations to Fieldfare, Ring Ouzel and Eyebrowed Trush, modifications to some measure tables
06.06. New species: Yellow-breasted Bunting and Rock Bunting, compleations to some other Emberizidae species
06.04. New species: Two-barred Crossbill, modifications of some other Fringillidae species
06.02. New species: Rosy Starling and Spottless Starling, Completions to Common Myna and Common Starling
05.31. New species: Robin Accentor, Completions to  Dunnock and Sibirian Accentor
05.25. New species: Cetti's Warbler, Completions to Zitting Cisticola and Rufous-tailed Scrub Robin
05.24. New species: Spectacled Warbler, Completions to the other Sylviid Warblers
05.15. New species: Lanceolated Warbler, Modifications at some measure tables of Swallows, modifications of some Tits, Reed Warblers and Grassbirds
05.12. New species: Greater Hoopoe-Lark, Bar-tailed Lark, Desert Lark and Calandra Lark, Modifications at other Larks and some measure tables
05.06. Formal little changes and modification within Rock Ptarmigan
02.16. Modification within some measurements tables
02.14. Modification: Black Grouse, Common Kingfisher, Eurasian Wren, Goldcrest, Blackcap, Europian Robin, Black Redstart, Fieldfare, Mistle Trush, Eurasian Siskin
02.10. Modification: Common Swift, Coal Tit, Eurasian Nuthatch, Eurasian Treecreeper, Eurasian Bullfinch, Twite, Eurasian Linnet, Hawfinch
02.08. Modification: Northern Harrier, Tawny Owl, Great Spotted Woodpecker, Green Woodpecker, Lesser Whitethroat
02.05. Modification: Dunlin, Eurasian Woodcock and Eurasian Eagle-Owl
01.13. Further completions to the Identification Guide
12.18. Completions to the Identification Guide
11.29. New species: Ivory Gull, Sabine's Gull
11.28. Completions to Common Chaffinch, Brambling, Eurasian Bullfinch, European Greenfinch, Red Crossbill, Red Crossbill, European Goldfinch, Eurasian Linnet, European Serin, Hawfinch, House Sparrow
11.26. Completions to Western Yellow Wagtail, White Wagtail, Meadow Pipit, Water Pipit, Bohemian Waxwing, Snow Bunting, Yellowhammer, Reed Bunting
11.23. Completions to Brown-breasted Bulbul, Common Chiffchaff, Wood Warbler, Dusky Warbler, Marsh Warbler, Grasshopper Warbler, Blackcap, Lesser Whitethroat,
Spotted Flycatcher, Bluethroat, Common Redstart, Whinchat, Northern Wheatear, Isabelline Wheatear
11.21. Completions to Coal Tit, Eurasian Blue Tit, Great Tit, Eurasian Nuthatch, Short-toed Treecreeper, Eurasian Wren
11.14. Completions to Red-backed Shrike, Northern Shrike, Lesser Gray Shrike, Bearede Reedling, Wood Lark
11.08. Completions to Eurasian Kestrel, Red-footed Falcon, Saker Falcon, Peregrine Falcon, Rose-ringed Parakeet, Monk Parakeet
11.07. Completions to Eurasian Wryneck, Eurasian Three-toed Woodpecker, Black Woodpecker, Green Woodpecker
11.06. Completions to Eurasian Nightjar, Little Swift, European Bee-eater, European Roller
11.04. Completions to European Scops-Owl, Eurasian Pygmy-Owl, Tawny Owl
11.03. Completions to Pallas's Sandgrouse, Street Dove, Common Wood Pigeon, Great Spotted Cuckoo
10.31. Completions to Black-headed Gull, Mediterranean Gull, Mew Gull, Caspian Gull, Lesser Black-backed Gull, Great Black-backed Gull, Little Tern, Common Tern
10.29. Completions to Black-bellied Plover, Bar-tailed Godwit, Ruff, Common Sandpiper, Wood Sandpiper, Long-tailed Jaeger, Black Guillemot, Atlantic Puffin
10.27. Completions to Little Bustard, Corn Crake, Water Rail, Demoiselle Crane
10.26. Completions to Osprey, Golden Eagle, Northern Harrier, Eurasian Sparrowhawk, Northern Goshawk, White-tailed Eagle, Common Buzzard
10.22. Completions to Gray Heron, Black-crowned Night-Heron, Little Egret
10.19. Completions to Black Stork, Northern Gannet, Great Cormorant, European Shag, Great White Pelican
10.16. Completions to Arctic Loon, Little Grebe, Great Crested Grebe, Horned Loon, Greater Flamingo, Northern Fulmar
10.14. Completions to Rock Partridge, Chukar, Red-legged Partridge, Ring-necked Pheasant, Hazel Grouse, Willow Ptarmigan
10.03. Completions to Taiga Bean Goose, Mandarin Duck, Mallard, Northern Shoveller, Garganey, Ferroginous Duck, Long-tailed Duck
09.21. Completions to Greater White-fronted Goose, Graylag Goose, Bar-headed Goose, Brant, Tundra Swan, Common Shelduck
09.16. Completions to Common Snipe and Eurasian Woodcock
09.14. Completion to Egyptian Goose, Completion in the Identification Guide
09.11. Completion to Gray Partridge
09.09. Completion to Northern Wheatear and some formal changes
08.30. Enlargement of the pictures (Passeres)
08.29. Enlargement of the pictures (Nonpasseres)
07.21. Additional split of some areas of the Identification Guide
07.16. New split of some areas of the Identification Guide
07.15. Completion in the Identification Guide (Nonpasseres III)
07.12. Completion in the Identification Guide (Nonpasseres II)
06.26. Completion in the Identification Guide (Nonpasseres I)
06.09. Installation of the comparison of woodpeckers
06.07. Delete: Common Bulbul
06.02. Modification: Eurasian Eagle-Owl
06.01. Modification: Black Stork
05.23. Within 5 species measure tables updated
05.20. Completions to the identification guide
04.14. Completions and Modifications to some Pteroclididae, Columbidae, Cuculidae, Strigidae, Picidae, Falconidae und Psittaculidae
04.09. Completions and Modifications to some Rallidae and Charadriiformes
04.03. Completions and Modifications to some Ardeidae, Threskiornithidae, Accipitridae
04.01. Completions to Redwing
03.28. Completions and Modifications to some Gaviidae, Podicipedidae, Phoenicopteridae, Procellariidae, Sulidae and Phalacrocoracidae
03.26. Completions and Modifications to some Phasianidae
03.25. Completions and Modifications to some Anatidae (2)
03.21. Completions and Modifications to some Anatidae
03.10. Completions to Ruff and Eurasian Siskin
02.21. Completions to the chapters "Allgemeines" of the orders of the birds
02.08. Completion: Ferruginous Duck
01.29. Within 104 species measure tables updated or created
01.19. New species: Rock Pipit, Modification and Completion: Water Rail, Spotted Crake
01.18. Modification and Completion: Long-eared Owl, Eurasian Bullfinch
01.14. Modification and Completion: Eurasian Thick-knee, Purple Sandpiper, Temminck's Stint, Spotted Redshank, Great Skua, Pomarine Jaeger,
Little Gull, Mediterranean Gull, Black Tern, White-winged Tern, Horned Lark, Hume's Warbler, Palestine Sunbird
01.13. Modification and Completion: Smew, Lesser Spotted Woodpecker, Middle Spotted Woodpecker, Lanner Falcon
01.11. Modification and Completion: Little Egret, Short-toed Snake-Eagle, Bonelli's Eagle, Black Kite, Lesser Kestrel, Gyrfalcon
01.08. Modification and Completion: Pink-footed Goose, Canada Goose, Rock Partridge, Red-legged Partridge, Rock Ptarmigan,
European Shag, Great White Pelican, Cattle Egret, Squacco Heron, Little Bustard
12.20. New species: Brown-breasted Bulbul, Booted Warbler, Paddyfield Warbler, Desert Wheatear
12.12. New species: Harlequin Duck, Pygmy Cormorant, Iceland Gull, Gull-billed Tern, Great Spotted Cuckoo; Completion: Great Spotted Woodpecker
11.24. Modification and Completion: Carrion Crow, Eurasian Nuthatch, Yellowhammer, European Serin, House Sparrow
11.22. Modification and Completion: Great Spotted Woodpecker, Green Woodpecker, Song Trush, European Goldfinch, Hawfinch
10..10. Modification in the Identification Guide: Division of the areas "Charakteristische Fleckung" and "Kleinfedern" into subareas
10.04. 13 new most rare species
09.23. Within 6 species measure tables updated
09.15. New species: Monk Parakeet
09.10. Within 10 species measure tables updated
09.06. New species: Cinereous Vulture, Completion to Golden Eagle, White-tailed Eagle
08.22. New species: 14 very rare guests from the family Parulidae
08.19. New species: Radde's Warbler, Dusky Warbler, Yellow-browed Warbler, Pallas's Leaf Warbler, Greenish Warbler, Hume's Warbler; 
Completion to Western Bonelli's Warbler, Arctic Warbler, Wood Warbler
08.13. New species: Melodious Warbler, Pied Bushchat; Completion to Icterine Warbler
08.12. New species: Pallas's Gull, Sooty Gull, Audouin's Gull; 
Completions to Little Gull, Ring-billed Gull, Caspian Gull, Glaucous Gull, Great Black-backed Gull, Kelp Gull
08.07. New species: Chilean Flamingo, Southern Giant-Petrel, Pink-backed Pelican;  Completions to Great White Pelican, Great Bittern, Great Gray Owl
08.06. New species: Short-toed Snake-Eagle, Booted Eagle, Greater Spotted Eagle;  Completions to Osprey, Short-toed Snake-Eagle, Imperial Eagle, Black Kite
08.05. New species: Ruby-crowned Kinglet, Rufous-tailed Robin;  Completions to Eurasian Treecreeper, Gray Wagtail
08.02. New species: Common Bulbul;  Completions to  Eurasian Golden Oriole and Cedar Waxwing
07.29. New species: Daurian Jackdaw, House Crow, Fan-tailed Raven; 
Completions to Eurasian Jay, Eurasian Nutcracker, Iberian Magpie, Yellow-billed Chough, Red-billed Chough, Common Raven
07.27. New species: White-backed Woodpecker
Completions to Eurasian Wryneck, Lesser Spotted Woodpecker, Middle Spotted Woodpecker, Northern Flicker, Gray-faced Woodpecker
07.23. New species: Siberian Thrush, Varied Thrush, Tickell's Thrush, Brown Thrasher
Completions to Scaly Trush, Gray Catbird, Northern Mockingbird
07.20. New species: Black-capped Chickadee,  Completions to Eurasian Penduline-Tit and other Tits
07.18. New species Rock Nuthatch
Completions to Wallcreeper, Eurasian Nuthatch and Red-breasted Nuthatch
07.16. New species: Tree Swallow, Eurasian Crag-Martin, Rock Martin, Cliff Swallow
Completions to Red-rumped Swallow and some other species (most measures)
07.14. New species: Black-crowned Tchagra, Brown Shrike, Long-tailed Shrike, Isabelline Shrike, Masked Shrike
little completions to some other species (most measures)
07.11. New species: Pied Kingfisher, Syrian Woodpecker, Eurasian Three-toed Woodpecker;
Completions to: White-throated Kingfisher, Common Kingfisher, Eurasian Wryneck, Black Woodpecker
07.10. New species: Chimnay Swift, White-throated Needletail
07.05. New species: Common Nighthawk, Red-necked Nightjar, Nubian Nightjar
Completions to: Eurasian Nightjar (measures), Egyptian Nightjar
07.04. New species: Plain Swift, Pacific Swift, Little Swift
Completions to: Alpine Swift, Common Swift (measure table)
07.03. New species: Tenerife Teydefinch, Pallas's Rosefinch, Fire-fronted Serin
Completions to: Island Canary, Citril Finch, Hoary Redpoll
05.17. Within 11 species (Passeres) measure tables updated or established
05.16. Within 8 species (Nonpasseres) measure tables updated or established
04.22. Completions to Eurasian Marsh-Harrier, Eurasian Sparrowhawk, Common Snipe, Bearede Reedling, White-thrroated Dipper, Blackcap, Lesser Whitethroat
and Song Trush
02.15. Completions to identification guide Notches
02.10. Identification guide: New category Notches
02.06. Within over 60 species measure tables updated or established
12.27. Within 11 species measure tables updated or established
10.24. Completions to Jack Snipe and Lesser Whitethroat; Identification guide: Some Completions
10.22. Identification guide: Completions to categories Shank, Brown and Gray
10.19. Identification guide: New categories Shank, Brown and Gray
10.12. Species of Caradriiformes completions within the identification guide
09.21. Species of Gaviiformes to Pelecaniformes completions within the identification guide
09.02. Completions to Common House-Martin, Eurasian Blackbird, European Greenfinch
08.30. Species of Anseriformes and Galliformes corrections and completions within the identification guide
08.21. Within 71 species measure tables updated or established
08.06. New species: Greater Rhea, Muscovy Duck, Lady Amherst's Pheasant, American Goldfinch; Completions to Indian Peafowl and Yellow-billed Chough;
within 8 species measure tables updated
07.21. Within 20 species measure tables updated or established
07.10. New species: Cape Petrel, completions to Rock Ptarmigan and Glaucous Gull
07.04. Completions to American Robin, within 2 species measure tables updated
07.01. New species: Imperial Eagle, completions to Osprey and Red-footed Falcon, within 9 species measure tables updated
06.26. New species: Siberian Crane, completions to Red-throated Loon and Glossy Ibis
05.25. Within 32 species measure tables updated
05.24. Within 59 species new or completed measure tables added
05.23. New species: Pacific Golden-Plover
05.05. Completions to: Firecrest and Bohemian Waxwing
04.23. Completion to: Common Buzzard
04.19. New species: Bar-headed Goose, Emperor Goose, Purple Sandpiper, Terek Sandpiper, Northern Flicker, Swainson's Thrush;
Completion to: Egyptian Goose, Mandarin Duck, Common Pochard, Common Turkey, Golden Eagle, Northern Lapwing, Herring Gull, European Roller, Gray-faced Woodpecker
04.17. New feathers of Hoary Redpoll and Eurasian Treecreeper, completion of Common Redstart
04.11. New feathers of Northern Bald Ibis
03.01. 19 new species and completions to 12 species
02.03. various formally modifications
02.02. Notes for risks of confusion at the species (ending passeres)
02.01. Notes for risks of confusion at the species (start passeres)
01.28. Notes for risks of confusion at the species (ending nonpasseres)
01.26. Notes for risks of confusion at the species (continuation nonpasseres)
01.24. Notes for risks of confusion at the species (start nonpasseres)
01.20. Extensive completion of the part Identification Guide - category Little feathers
01.15. Processing of the part Identification Guide - is further supplemented
12.20. Consideration of taxonomy Clements 2016;
Completion to: Willow Ptarmigan, Great Black-backed Gull, Sardinian Warbler, Eurasian Reed Warbler
11.03. New species: Lesser White-fronted Goose, Glaucous Gull; Completion to: Great White Pelican, Montagu's Harrier
11.01. New species: Alexandrine Parakeet; Completion to: Cockatiel 
10.14. Provisional end of the revision of the identification guide
10.04. More of the revision of the identification guide (Passeres)
09.21. Completion to: European Robin
09.19. Completion to: Willow Ptarmigan
08.01. More of the revision of the identification guide (Nonpasseres)
07.29. Completion to: Eurasian Wren
07.22. New species: Red-throated Pipit
07.12. Completion to: Ring-necked Pheasant, Common Turkey, European Shag, Little Egret, Black-Crowned Night Heron, Water Rail, European Golden-Plover, Common Ringed Plover, Green Sandpiper, Wood Sandpiper, Bar-tailed Godwit, Curlew Sandpiper, Little Tern, Common Tern, Arctic Tern, Eurasian Cuckoo, Alpine Swift
07.08. New species: Pink-footed Goose, Snow Goose, Wood Duck, Yello-billed Loon, Lesser Flamingo, Great White Pelican, Glossy Ibis,  Little Bustard, Spur-winged Lapwing, Eurasian Dotterel, Black-tailed Godwit,  Temminck's Stint
04.02. Start of the revision of the identification guide
03.31. New species: Levant Sparrowhawk, Completion to American Kestrel, Red-footed Falcon, American Kestrel, Eurasian Hobby, Merlin, Gyrfalcon and Budgerigar
03.30. New species: Great Northern Loon, Completion to American Kestrel and Gyrfalcon
03.12. Revision of Long-tailed Tit
03.10. Little revision of family Paridae
03.02. Little revision of family Hirundinidae
02.27. Little revision of families Panuridae and Alaudidae
02.24. Little revision of families Laniidae, Oriolidae and Corvidae
02.21. Little revision of order Falconiformes
02.18. Little revision of order Piciformes
02.17. Little revision of orders Caprimulgiformes, Apodiformes, Coraciiformes und Psittaciformes
02.16. Little revision of order Strigiformes
02.15. Little revision of orders Columbiformes and Cuculiformes
02.12. New species: Caspian Gull, little revision and complement of family Laridae
02.08. Little revision of families Stercorariidae and Alcidae
02.07. Little revision of family Scolopacidae
02.03. Little revision of families Burhinidae, Recurvirostridae, Haematopodidae and Charadriidae
02.02. Little revision of order Gruiformes
01.31. Little revision of order Accipitriformes
01.29. Little revision of orders Procellariiformes, Ciconiiformes, Suliformes and Pelecaniformes
01.28. Little revision of families Phasianidae, Gavidae and Podicipedidae
01.26. Little revision of Greater Scaup, Smew an the genera Aythya, Melanitta and Mergus
01.25. Little revision of genus Anas
01.23. Little revision of Aegyptian Goose, Common Shelduck, Ruddy Shelduck, Mandarin Duck, Red-crested Pochard, Common Pochard, Long-tailed Duck
01.22. Little revision of genus Cygnus
01.21. Little revision of genus Branta
01.18. Little revision of genus Anser
01.09. New species: Citril Finch
01.03. Syrian Woodpecker deleted
01.02. New species: Ortolan Bunting, Rustic Bunting, Little Bunting, Completion to Pine Bunting
12.28. New species: Syrian Woodpecker, Completion to Little Egret
12.15. New species: Rock Pigeon
12.11. Completion to Black Stork and Black-headed Gull
12.08. Completion to comparison of Gulls
12.07. New species: Indian Peafowl,  Completion to Lesser Black-backed Gull,  Changes to Common Snipe, Budgerigar, Eurasian Jackdaw, Hooded Crow, White Wagtail
11.29. Completion and new order of the identification guide
10.18. Little changes to various species
09.30. Completion to Icterine Warbler
09.16. Completion to Common Murre
09.15. Completion to Common Sandpiper
09.14. Change to Eurasian Coot
09.05. Completion to Garganey
08.13. Completion to Common Greenshank
07.21. New species: Italian Sparrow
Completion to Common Chaffinch and Common Rosefinch
07.15. Completion to Eurasian Golden Oriole, Western Bonelli's Warbler, Firecrest
07.13. Completion to Street Dove
06.26. New species: Alpine Swift, White-winged Lark, Tawny Pipit
Completion to Horned Lark
05.04. Completion to Sedge Warbler, Savi's Warbler
05.03. New species: Lesser Short-toed Lark, Rufous-tailed Scrub Robin, Aquatic Warbler, Marmora's Warbler
04.30. New species: Eastern Olivaceous Warbler, Sibirian Accentor, Red-flanked Bluetail
04.08. Deletion of Red-throated Pipit
03.30. New species: Arctic Warbler and Red-throated Pipit
Completion to Gray Wagtail
03.28. New species: River Warbler and Wallcreeper
Completion to White-thrroated Dipper and Ring Ouzel
03.18. Completion to Eurasian Kestrel
02.23. Completion to Peregrine Falcon and Rook
02.22. Completion to Great Bustard
01.29. Addition of tables of measures of passeres
01.27. Addition of tables of measures of nonpasseres
01.02. New species: Cackling Goose, Eurasian Griffon
Completion to Rook
11.25. New species: Long-tailed Jaeger
Completion to Great Black-backed Gull, Common Tern, Eurasian Cuckoo, Boreal Owl, Short-eared Owl
10.24. New species: Rough-legged Hawk, Gyrfalcon
Completion to Lesser Spotted Eagle, Golden Eagle, Eurasian Kestrel, Eurasian Hobby, Peregrine Falcon, Willow Ptarmigan, Black Grouse, Chukar, Ring-necked Pheasant, Helmeted Guineafowl
10.19. New species: Cory's Shearwater, Eurasian Spoonbill, Egyptian Vulture
Completion to Red-throated Loon, Manx Shearwater, Northern Gannet, Great Bittern, Eurasian Marsh-Harrier
10.16. New species: Mediterranean Gull, Common Rosefinch, Parrot Crossbill, Island Canary, Siberian Jay, Iberian Magpie, Eurasian Nutcracker
Completion to Common Redpoll, Twite, Spanish Sparrow, Eurasian Golden Oriole, Eurasian Jakdaw
10.15. New species: Cretzschmar's Bunting, Black-faced Bunting, Meadow Bunting
Completion to  Pine Bunting, Reed Bunting, Corn Bunting, Snow Bunting
10.09. Completions/Changes to Mute Swan, Eurasian Marsh-Harrier, Bank Swallow
08.28. New species: Siberian Blue Robine, Thrush Nightingale, Siberian Rubythroat, Red-breasted Flycatcher, Mourning Wheatear, Pied Wheatear, Black-eared Wheatear, Isabelline Wheatear
Completion to  Spotted Flycatcher, Whinchat, European Stonechat, Willow Tit, Azure Tit
08.27. Changes to Eurasian Thick-knee and deletion of Masked Shrike (it was a very similar Woodchat Shrike)
08.22. New species: Pallas's Grasshopper Warbler, Moustached Warbler, Great Reed Warbler, Western Bonelli's Warbler, Asian Desert Warbler, Western Orphean Warbler, Rüppell's Warbler, Tristram's Warbler, Dartford Warbler
Completion to Grasshopper Warbler, Savi's Warbler, Icterine Warbler, Subalpine Warbler
08.18. New species: Lesser Gray Shrike, Rufous-tailed Rock Thrush, American Robin, Gray Wagtail, Cedar Waxwing
Completion to Red-backed Shrike, Northern Shrike, Southern Gray Shrike, Woodchat Shrike, Bearede Reedling, Western Yellow Wagtail, Tree Pipit
08.10. New species: Bimaculated Lark, Thekla Lark
Completion to Wood Lark, Horned Lark, Bank Swallow
08.06. Completion to European Nightjar
08.03. New species: Swan Goose, Ruddy Shelduck, Northern Hawk-Owl
Completion to Canada Goose, Egyptian Goose, Gadwall, Mallard, Northern Pintail, Common Merganser, Laughing Dove, Budgerigar, Eurasian Scops Owl, Ural Owl, Eurasian Pygmy Owl, Boreal Owl,  European Nightjar, European Bee-eater, European Roller,  Lesser Spotted Woodpecker, Grey-headed Woodpecker

New species: Great Snipe, Spotted Redshank, Common Greenshank, Thick-billed Murre, Little Tern, White-winged Tern
Completion to Jack Snipe, Common Snipe, Whimbrel, Common Redshank, Green Sandpiper, Wood Sandpiper, Little Stint, Ruff,
Black Guillemot, Common Murre, Black Tern


New species: Willow Ptarmigan, Black Francolin, Black-winged Stilt, American Kestrel, Merlin
Completion to Common Quail, Great Bustard, Corn Crake, Spotted Crake, Black-bellied Plover, European Golden-Plover, Common Ringed Plover, Little Ringed Plover


New species: Common Pochard, Ferruginous Duck, Smew, Red-throated Loon, Red-necked Grebe, Horned Grebe, Black-necked Grebe, Purple Heron,
Lesser Spotted Eagle, Bonelli's Eagle
Completion to Mandarin Duck, Common Scoter, Velvet Scoter, Common Goldeneye, Red-breasted Merganser, Black-throated Loon, Manx Sheawater and Little Bittern

06.18. Completion to many species with own measures  (at least 5 documents, start)
05.19. Changes to Eurasian Moorhen
05.09. Various little complements of remarks of several species
04.08. Changes to Great Cormorant
03.18. New spacies: Bolle's Pigeon
02.26. Supplements to the species (scientific) (German) for the scientific orders
02.04. Completion to Redwing, Goldcrest, Spotted Flycatcher, European Starling, European Goldfinch, Hawfinch
02.03. Supplements to the remarks of various sparrow birds
01.21. Changes to the Desert Finch
01.14. Update of the system to CLEMENTS 6th edition (updated 2013)
12.01. Completion to Dunnock
09.22. Completion to some species of passeriformes
09.16. New spacies: Canada Goose  and  completion to Identification Guide
09.15. Completion to Identification Guide
09.10. Completion to Identification Guide
09.07. Completion to Identification Guide
09.02. Completion to: Wood Pigeon and Identification Guide
08.25. Start of the new area Identification Guide (mainly German)
07.26. Completions to: Common Kestrel and Stone-Curlew
04.16. Completion to: Golden Oriole
04.02. New species: Hermit Ibis
03.26. Completion: Spruce Siskin
02.07. Completion: Fieldfare, Marsh Tit, Bluethroat and Brambling
11.26. New species: Sandwich Tern, Completion to: Hoopoe
11.15. Completions to: Sanderling, Dunlin, Northern Wryneck, Grasshopper Warbler, Bluethroat, Common Stonechat, Northern Wheatear, Lichtenstein's Desert Finch
11.09. New species: Little Crake, Spotted Crake, Little Stint, Curlew Sandpiper, Red-necked Phalarope, Eurasian Pygmy Owl, Horned Lark, Red-rumped Swallow, Zitting Cisticola, Azure Tit
11.07. Completion: Comparison of tail feathers from different  Buntings
11.05. New species: Pine Bunting, Black-headed Bunting, Cirl Bunting; Completion to: Snow Bunting
11.04. New species: Penduline Tit
10.31. Completion to: Turtle Dove
10.04. Completion: Comparison of tail feathers from different Swimming ducks (Anatini) and Diving ducks (Aythyini)
09.28. Completion: Comparison of wing feathers from different Swimming ducks (Anatini) and Diving ducks (Aythyini)
09.20. Completion: Comparison of feathers from Whitethroat, Garden Warbler, Blackcap, Barred Warbler and Lesser Whitethroat
09.19. Completion: Comparison of feathers from Spruce Suskin and Western Greenfinch
09.16. Completion: Comparison of feathers from House Sparrow, Spanish Sparrow, Eurasian Tree Sparrow, Dunnock and European Robin
09.12. Completion: Comparison of feathers from Firecrest and goldcrest, Common Redstart and Black Redstart, Marsh Tit and Willow Tit, Short-toed Treecreeper and Common Treecreeper
09.11. Completion: Comparison of feathers from Tree Pipit, Meadow Pipit and Water Pipit
09.08. Completion: Comparison of feathers from Barn Swallow, Common House Martin, Sand Martin and Eurasian Swift
09.07. Completion: Comparison of feathers from Barn Owl, Long-eared Owl, Short-eared Owl and Eurasian Tawny Owl
09.06. Completion: Comparison of feathers from Blackbird, Mistle Trush and Fieldfare as well as Redwing and Song Trush
08.30. Completion: Comparison of tails from Pied and Yellow Wagtail and Long-tailed Tit
08.29. Completion: Comparison of distally primaries of various Gulls
08.28. Completion: Comparisons of Northern Lapwing, Palaearctic Oystercatcher, Ruddy Turnstone, Black-legged Kittiwake, Lesser and Greater Black-backed Gull, Black-headed Gull, Mediterranean Yellow-legged Gull, Herring Gull and Little Gull
08.27. Completion: Comparisons of Willow Warbler and Chiff-chaff, Yellowhammer and Reed Bunting, Chaffinch and Brambling
08.21. Completion to: Lanner Falcon
07.06. Completion to: Chiff-chaff
06.27. Completion to: Blue Tit, Carrion Crow
06.06. Changes to: Black-legged Kittiwake, Eurasian Swift, Eurasian Tree Sparrow
06.04. Changes to: Common Shelduck, Western Curlew
05.31. Changes to: Great Crested Grebe, Common Tern
05.01. Changes to: Stock Pigeon
04.25. Completion to: Saker Falcon, Bar-tailed Godwit, Red Knot, Ruddy Turnstone, Mew Gull, Little Auk, Laughing Dove, Europaean Nightjar, Coal Tit
03.19. Completion to: Common Starling
03.08. Completion to: Woodchat Shrike
02.05. Completion to: Common Quail
01.14. Completion to: Great Crested Grebe and other little changes
12.12. Completion to: Green-winged Teal, Common Goldeneye
12.10. Completion to: Black-legged Kittiwake
12.08. Completion to: Northern Goshawk
12.06. Completion to: White-tailed Eagle
11.22. New species: Corn Crake
11.14. Completion to: Cattle Egret, Lesser Whitethroat
11.07. New species: Lesser Kestrel, Western Red-footed Falcon, Eleonora's Falcon, Chukar Partridge, Northern Wryneck, Crested Lark, Southern Grey Shrike
Completion to: Montagu's Harrier, Spanish Sparrow
10.30. Changes to: Greater Flamingo, Mallard, Hen Harrier, Atlantic Puffin, Long-eared Owl, Common Treecreeper
10.25. New species: Manx Shearwater, Rose-ringed Parakeet
10.10. Completion to Links
09.19. Generating of some English sites
09.11. Completion to: Gadwall, Northern Shoveler, Common Kestrel, Eurasian Collared Dove, European Green Woodpecker, Brambling
08.31. Completion to: Common Scoter, Montagu's Harrier ;  Completion to Links
08.29. Completion to: Greater Scaup, Long-tailed Duck, Tufted Duck, Velvet Scoter
08.20. New species: Grey-headed Woodpecker
07.24. Completion to: Little Auk, Northern Eagle Owl, Completion to Links
07.17. New species: Northern Hobby, Reed Bunting, Completion to: Snowy Owl
03.30. Completion to: Red-crested Pochard
03.28. New species: Pine Grosbeak
01.03. Completion to: Long-eared Owl
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