Rhinoceros auklet

CerorhincarhinocerosCerorhinca monocerata
The rhinoceros auklet (Cerorhinca monocerata) is a seabird and a close relative of the puffins.wikipedia
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Puffin

puffinsFraterculapuffins,
The rhinoceros auklet (Cerorhinca monocerata) is a seabird and a close relative of the puffins.
The rhinoceros auklet (Cerorhinca monocerata) has sometimes been included in the genus Fratercula, and some authors place the tufted puffin in the genus Lunda.

Auk

Alcidaealcidauklet
The rhinoceros auklet (also known as the rhino auklet, horn-billed puffin, or unicorn puffin), is a medium-sized auk with a large, strong, orange/brown bill (with the 'horn' protruding from it). The rhinoceros auklet is a North Pacific auk that breeds from California (the Channel Islands) to the Aleutian Islands in Alaska in North America; and Hokkaidō and Honshū, Japan, as well as the Korean Peninsula and Sakhalin Island in Asia.

Seabird

seabirdssea birdsea birds
The rhinoceros auklet (Cerorhinca monocerata) is a seabird and a close relative of the puffins.

Genus

generageneric namegeneric
It is the only extant species of the genus Cerorhinca.

Bird colony

coloniesbreeding colonycolonial
It ranges widely across the North Pacific, feeding on small fish and nesting in colonies.

Beak

billcereculmen
Its name is derived from a horn-like extension of the beak (the anatomic term for this extension is the rhamphotheca).

Plumage

eclipse plumageplumesalbinism in birds
The plumage is dark on top and paler below; breeding adults (both male and female) possess white plumes above the eyes and behind the bill.

Channel Islands (California)

Channel IslandsChannel Islands of CaliforniaSanta Barbara Channel Islands
The rhinoceros auklet is a North Pacific auk that breeds from California (the Channel Islands) to the Aleutian Islands in Alaska in North America; and Hokkaidō and Honshū, Japan, as well as the Korean Peninsula and Sakhalin Island in Asia.

Aleutian Islands

AleutiansAleutianAleutian Chain
The rhinoceros auklet is a North Pacific auk that breeds from California (the Channel Islands) to the Aleutian Islands in Alaska in North America; and Hokkaidō and Honshū, Japan, as well as the Korean Peninsula and Sakhalin Island in Asia.

Alaska

CityAKAlaskan
The rhinoceros auklet is a North Pacific auk that breeds from California (the Channel Islands) to the Aleutian Islands in Alaska in North America; and Hokkaidō and Honshū, Japan, as well as the Korean Peninsula and Sakhalin Island in Asia.

Hokkaido

HokkaidōHokkaido PrefectureHokkaidō Prefecture
The rhinoceros auklet is a North Pacific auk that breeds from California (the Channel Islands) to the Aleutian Islands in Alaska in North America; and Hokkaidō and Honshū, Japan, as well as the Korean Peninsula and Sakhalin Island in Asia.

Honshu

HonshūHonshu IslandHonshu, Japan
The rhinoceros auklet is a North Pacific auk that breeds from California (the Channel Islands) to the Aleutian Islands in Alaska in North America; and Hokkaidō and Honshū, Japan, as well as the Korean Peninsula and Sakhalin Island in Asia.

Korean Peninsula

KoreapeninsulaKorean
The rhinoceros auklet is a North Pacific auk that breeds from California (the Channel Islands) to the Aleutian Islands in Alaska in North America; and Hokkaidō and Honshū, Japan, as well as the Korean Peninsula and Sakhalin Island in Asia.

Sakhalin

Sakhalin IslandIsland of SakhalinKarafuto
The rhinoceros auklet is a North Pacific auk that breeds from California (the Channel Islands) to the Aleutian Islands in Alaska in North America; and Hokkaidō and Honshū, Japan, as well as the Korean Peninsula and Sakhalin Island in Asia.

Bird migration

migratorymigratemigratory birds
It winters both in offshore and inshore waters, exhibiting some migration.

Nocturnality

nocturnalnocturnal animalnocturnally
The semiprecocial chick is then fed each night with a bill full of fish (in the manner of puffins) for 50 days; this nocturnal behaviour is believed to be a response to predation and kleptoparasitism by gulls.

Kleptoparasitism

kleptoparasitickleptoparasitecleptoparasite
The semiprecocial chick is then fed each night with a bill full of fish (in the manner of puffins) for 50 days; this nocturnal behaviour is believed to be a response to predation and kleptoparasitism by gulls.

Gull

seagullgullsseagulls
The semiprecocial chick is then fed each night with a bill full of fish (in the manner of puffins) for 50 days; this nocturnal behaviour is believed to be a response to predation and kleptoparasitism by gulls.

Krill

euphausiidEuphausiaceaEuphausiidae
At sea, rhinoceros auklets feed on fish, with some krill and squid taken also.

Squid

TeuthidasquidsDecapodiformes
At sea, rhinoceros auklets feed on fish, with some krill and squid taken also.

Miocene

Late MioceneEarly MioceneMiddle Miocene
The genus Cerorhinca evolved in the North Pacific, apparently in the mid-late Miocene.

Baja California

Baja California NorteBajaBaja California, Mexico
Fossils have been found as far south as Baja California.