Black-crowned Night Herons have a
distinctive dark bluish grey to black back and crown, and pale grey wings. Its
underparts are greyish white-buff and its legs pale yellow.
This species is
gregarious and largely nocturnal, and during the day it
rests in trees or bushes.
Black-crowned Night Heron
Black-crowned Night Heron
This species' scientific designation Nycticorax nycticorax
means ‘night raven’ and like its common name, refers to its nocturnal habits,
but also to its harsh
crow-like call.