Spectacled Guillemot vs Rhinoceros Auklet
Cepphus carbo compared with Cerorhinca monocerata
Side-by-Side Comparison
| Attribute | Spectacled Guillemot | Rhinoceros Auklet |
|---|---|---|
| Scientific Name | Cepphus carbo | Cerorhinca monocerata |
| Order | Charadriiformes | Charadriiformes |
| Family | Alcidae | Alcidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 38.4 cm (15.1 in) | 35.8 cm (14.1 in) |
| Weight | 480.0 g (16.93 oz) | 503.75 g (17.77 oz) |
| Diet | -- | -- |
| Clutch Size | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Spectacled Guillemot
Least Concern
Rhinoceros Auklet
About These Birds
Spectacled Guillemot
Spectacled Guillemot, 36–38 cm, breeds on rocky coasts and sea cliffs of the western North Pacific from Kamchatka to Japan. Sooty black with white spectacle patches around the eye; red feet. Coastal diver; feeds on fish and crustaceans near rocky reefs. Sedentary; stays close to breeding coast year-round.
Rhinoceros Auklet
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.