illustration

Blue tit Parus caeruleus adult feeding chicks inside a bird box

Blue tit Parus caeruleus visiting a bird box

Bullfinch Pyrrhula pyrrhula male

Buzzard Buteo buteo at rest on a branch

Canada goose Branta canadensis

Chaffinch Fringilla coelebs male in amongst grasses

Archeopteryx reconstruction

Archeopteryx skeleton

Barn owl Tyto alba peering out from barn rafters

Black Casqued Hornbill Ceratogymna atrata

Black headed gull Chroicocephalus ridibundus with winter and summer head plumage

Blackbird Turdus merula