any of several songbirds of the family Bombycillidae, having a showy crest and certain feathers tipped with a red, waxy material, as Bombycilla garrulus(Bohemian waxwing), of the Northern Hemisphere.
British Dictionary definitions for bohemian waxwing
waxwing
noun
any of several gregarious passerine songbirds of the genus Bombycilla, esp B. garrulus, having red waxy wing tips and crested heads: family Bombycillidae