Spectacled Guillemot vs Ancient Murrelet
Cepphus carbo compared with Synthliboramphus antiquus
Side-by-Side Comparison
| Attribute | Spectacled Guillemot | Ancient Murrelet |
|---|---|---|
| Scientific Name | Cepphus carbo | Synthliboramphus antiquus |
| Order | Charadriiformes | Charadriiformes |
| Family | Alcidae | Alcidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 38.4 cm (15.1 in) | 27.1 cm (10.7 in) |
| Weight | 480.0 g (16.93 oz) | 208.16666666666666 g (7.34 oz) |
| Diet | -- | -- |
| Clutch Size | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Spectacled Guillemot
Least Concern
Ancient 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.
Ancient Murrelet
Ancient Murrelet, 24–27 cm, breeds in burrows on North Pacific islands from British Columbia to Japan. Black hood, grey back, white underparts with yellow bill. Nocturnal at colonies to avoid predators. Chicks lead-march to sea within days of hatching — abandoning the nest very early. Planktivore and piscivore.