sentient

 Birds

Besra

Waterhen

Jungle fowl

Gull

Red-tailed tropicbird

Brown noddy

Chickens

Duck on ice

Mitred Parrot

Swan Lake

Moulting

Meadowlark

Black-browed albatross

Odd one out

Gentoo penguins

Mitred Parakeet

Two-banded plover

Silvery grebe

Upland geese

Rockhopper penguins