The rhinoceros auklet (Cerorhinca monocerata) is a seabird and a close relative of the puffins. It is the only extant species of the genus Cerorhinca. Given its close relationship with the puffins, the common name rhinoceros puffin has been proposed for the species.[2]
It ranges widely across the North Pacific, feeding on small fish and nesting in colonies. Its name is derived from a horn-like extension of the beak (the anatomic term for this extension is the rhamphotheca). This horn is only present in breeding adults, and like the elaborate sheath on the bill of puffins is shed every year. This horn also possesses fluorescent properties, which is likely involved in reproductive signalling.[3]
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 plumage is dark on top and paler below; breeding adults (both male and female) possess white plumes above the eyes and behind the bill. Males are slightly larger than females (about 10% in mass).[citation needed]
^BirdLife International (2018). "Cerorhinca monocerata". IUCN Red List of Threatened Species. 2018: e.T22694924A131933971. doi:10.2305/IUCN.UK.2018-2.RLTS.T22694924A131933971.en. Retrieved 12 November 2021.
^AOU. (2008) AOU Committee on Classification and Nomenclature (North & Middle America) Proposals 2008-A Accessed 28 May 2008.
^Wilkinson, B.P.; Johns, M.E.; Warzybok, P. (2019). "Fluorescent ornamentation in the Rhinoceros Auklet Cerorhinca monocerata". Ibis. 161 (3): 694–698. doi:10.1111/ibi.12715. S2CID 92406445.
The rhinocerosauklet (Cerorhinca monocerata) is a seabird and a close relative of the puffins. It is the only extant species of the genus Cerorhinca...
Cerorhinca is a genus of auk containing the rhinocerosauklet and several fossil species. The genus Cerorhinca evolved in the North Pacific during the...
resemble robes worn by monks. The genus contain three species. The rhinocerosauklet (Cerorhinca monocerata) has sometimes been included in the genus Fratercula...
yellowish-brown bill. Overall, they resemble a horn-less and unmarked rhinocerosauklet (Cerorhinca monocerata). The tufted puffin was first described in...
40 years. The original name of the Aomori was Utō, named for the Rhinocerosauklet (ウトウ), a seabird that is closely related to the puffin. In 1626 the...
includes the guillemots, typical auks, murrelets, auklets, puffins, and the razorbill. The rhinocerosauklet (Cerorhinca monocerata) and the puffins are closely...
frequent Destruction Island to capture rhinocerosauklets. In recent years the population of rhinocerosauklet have been in decline as a result of habitat...
Offspring Food Demand in a Nocturnal Single-Provisioning Alcid, the RhinocerosAuklet". Journal of Avian Biology. 30 (4): 486. doi:10.2307/3677021. JSTOR 3677021...
Offspring Food Demand in a Nocturnal Single-Provisioning Alcid, the RhinocerosAuklet". Journal of Avian Biology. 30 (4): 486. doi:10.2307/3677021. JSTOR 3677021...
doi:10.1093/auk/100.3.636. Gaston, A. J.; Dechesne, S. B. C. (1996). RhinocerosAuklet (Cerorhinca monocerata). In The Birds of North America, No. 212 (A...
well as the tufted puffin, Atlantic puffin and a form related to the rhinocerosauklet. One possible reason for the coexistence of several different types...
Aethia auklets, but the group is a sister group to Cassin's auklet, which is, in turn, a sister group to the Fraterculine auks (puffins and rhinoceros auklet)...
Those on display include the seabirds tufted puffin, common murre, rhinocerosauklet, pigeon guillemot, and the shore bird black oystercatcher. The seabird...
(Gavia immer); auks such as the pigeon guillemot (Cepphus columba), rhinocerosauklet (Cerorhinca monocerata), common murre (Uria aalge), and marbled murrelet...
- auklets Genus Alca - razorbill Genus Alle - little auk Genus Brachyramphus - murrelets Genus Cepphus - guillemots Genus Cerorhinca - rhinoceros auklet...
that once bred in the zone no longer do so, including the RhinocerosAuklet and the Cassins Auklet. Anacapa SMR includes habitats for a range of cetaceans...
Crested auklet Parakeet auklet Least auklet Whiskered auklet Little auk Spectacled guillemot Pigeon guillemot Black guillemot Rhinocerosauklet Tufted...
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