countryside
Diagram of Duck Egg development Duckling chick hatching out still half in its shell
Diagram of Duck Egg development Hatched duckling chick
Diagram of the cross section of a bird bone
Diagram of the internal anatomy of a duck
Archeopteryx reconstruction
Archeopteryx skeleton
Barn owl Tyto alba
Black Casqued Hornbill Ceratogymna atrata
Black headed Gull Chroicocephalus ridibundus
Blackbird Turdus merula
Blue tit Parus caeruleus
Blue tit Parus caeruleus and other tits in a tree
Blue tit Parus caeruleus feeding chicks
Blue tit Parus caeruleus with bird box
Bullfinch Pyrrhula pyrrhula
Buzzard Buteo buteo
Canada goose Branta canadensis
Chaffinch Fringilla coelebs