Rhinoceros Auklet

Cerorhinca monocerata

Rhinoceros Auklet

Named for the pale horn that grows on its bill in the breeding season, this stocky auklet chases fish underwater off the coast. On the Farallon Islands it muscles out the smaller Cassin's auklet by destroying its eggs and chicks to take over the burrow.

Taxonomy: Animalia › Chordata › Aves › Charadriiformes › Alcidae › Cerorhinca

Species data via the World Register of Marine Species (WoRMS), AphiaID 344029.

FAQ

How deep does the Rhinoceros Auklet live?
The Rhinoceros Auklet (Cerorhinca monocerata) is typically found at 0–60 m.
How big does the Rhinoceros Auklet get?
The Rhinoceros Auklet grows to about 38 cm.