Close-up of an emu's head

4000 × 3000

Close-up of an ostrich head

1600 × 1200

Grey Crowned Crane — Green, Natural, Afternoon

2560 × 1440

Crowned pigeon close-up

1600 × 1000

Blue Pigeon with Crest — Natural

1280 × 1024

Gray Bird with Red Beak

2048 × 1365

White egret with yellow beak

800 × 600

raven with steam from beak

999 × 666

Toucan with tied beak

1849 × 1201

Close-up of a duck's head

1600 × 1200

Close-up of a swan's head

2592 × 1944

Close-up of a swan's head

1680 × 1050