Chauna torquata, a species of birds of the small family Anhimidae, found in South America.

(embryology) A strip of ectodermal material in the early vertebrate embryo inserted between the prospective neural plate and the epidermis.

(anatomy) A ridge of bone running lengthwise along the midline of the top of the skull (at the sagittal suture) in many mammals and primates

A group of penguins in the genus Eudyptes, which all have in common a crest atop their heads. / A small penguin from New Zealand and the Falkland islands

A small, non-migratory lark found throughout most of temperate Eurasia (Galerida cristata).

plural of crested penguin

plural of crested lark

(UK, informal, rare, birdwatching) the great crested grebe.

plural of crest cloud

(meteorology) a standing cloud, extending downwind from a mountain range, or ridge.