Spectacled Guillemot vs Japanese Murrelet
Cepphus carbo compared with Synthliboramphus wumizusume
Side-by-Side Comparison
| Attribute | Spectacled Guillemot | Japanese Murrelet |
|---|---|---|
| Scientific Name | Cepphus carbo | Synthliboramphus wumizusume |
| Order | Charadriiformes | Charadriiformes |
| Family | Alcidae | Alcidae |
| Conservation Status | Least Concern | Vulnerable |
| Length | — | — |
| Wingspan | 38.4 cm (15.1 in) | 24.0 cm (9.4 in) |
| Weight | 480.0 g (16.93 oz) | 171.6 g (6.05 oz) |
| Diet | -- | -- |
| Clutch Size | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Spectacled Guillemot
Vulnerable
Japanese Murrelet
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.
Japanese Murrelet
Japanese Murrelet, 26–28 cm, is a Vulnerable alcid endemic to Japan, breeding on rocky islets in the Pacific. Black head with a small white supercilium stripe; grey back. Nests in rock crevices; chicks led to sea while still tiny. Piscivore; threatened by gill-net bycatch and feral predators on islands.