roost

US /ruːst/
UK /ruːst/
"roost" picture
1.

a place where birds regularly settle or congregate to rest at night

:
The chickens returned to their roost at dusk.
A large flock of starlings gathered at their communal roost.
1.

(of a bird) settle or congregate for rest or sleep

:
The pigeons roosted on the old church tower.
Birds often roost in dense trees for protection.