Rhinoceros Auklet
Cerorhinca monocerata
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<birdfyi-bird slug="cerorhinca-monocerata"></birdfyi-bird>The Rhinoceros Auklet (Cerorhinca monocerata) is a bird species in the family Alcidae (auks & puffins), within the order Charadriiformes (shorebirds & gulls). Recorded measurements include a wingspan of 35.8 cm and a weight of 503.8 g. The IUCN Red List classifies it as Least Concern.
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About
Rhinoceros Auklet, 37–41 cm, breeds colonially in burrows on North Pacific islands from California to Japan. Adults develop a prominent horn at bill base in breeding plumage plus white facial plumes. Nocturnal at colonies. Piscivore; dives up to 50 m for sand lance and herring. Winters at sea.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| Wingspan | 35.8 cm | 14.1 in |
| Weight | 503.75 g | 17.77 oz |
Habitat & Range
Conservation Status
Behavior & Breeding
Nesting
Nest type: BU,CV. Incubation: 39-52 days. Fledging: 38-56 days.
Clutch Size
1
Taxonomy
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Order | Charadriiformes (Shorebirds & Gulls) |
| Family | Alcidae (Auks & Puffins) |
| Genus | Cerorhinca |
| Species | Cerorhinca monocerata |
Distribution
Rhinoceros Auklet has been recorded in 1 countries.
countries highlighted
External Databases
Frequently Asked Questions
Is the Rhinoceros Auklet endangered?
How does the Rhinoceros Auklet nest?
How big is the Rhinoceros Auklet?
What order and family does the Rhinoceros Auklet belong to?
Similar Birds
Other species in the Alcidae family