plural of Reissner-Nordström black hole

Rare form of pot calling the kettle black.

A large cockatoo, Calyptorhynchus funereus, native to southeastern Australia.

plural of yellow-tailed black cockatoo

A medium-sized heron, Nycticorax nycticorax, found throughout a large part of the world, except in the coldest regions and Australasia.

A viral disease of bees, causing the queen larva to turn black and die.

A cocktail of stout with cider or perry.

plural of black-crowned night heron

plural of lesser black-backed gull

a seabird and member of the gull family, genus Larus fuscus