animal

beak

beast

bird

birding

bough

branch

branched

building

canopy

claw

collecting

corax

corvus

creature

crisscross

crow

crown

fauna

feather

feathered

flapping

flying

frugilegus

habitat

hiding

natural

nature

nest

nesting

ornithology

outdoor

plumage

raven

rook

sitting

snow

species

swing

tree

treetop

trunk

twig

vegetation

watching

wild

wilderness

wildlife

wing

winged

wingspan

winter