Collocations for bird - noun

wild | exotic, rare | game | predatory | migratory | land, sea (also ‘seabird’), tropical, wading, woodland
Seabirds flocked above our heads.

flock

flit, fly, glide, soar, swoop (down)
We watched a bird of prey swoop down on a mouse.

flap its wings | flock | migrate
The birds migrate in September.

chirp, sing, twitter, warble | peck
birds pecking at the corn

build a nest, nest
birds nesting on the roof of the church

breed, lay eggs | moult

call | sanctuary | life
an area with a very varied bird life

watcher, watching

a bird of passage
(= a migratory bird),

a bird of prey
(= a predatory bird),

a breed/species/type of bird