Pigeon Guillemot vs Ancient Murrelet
Cepphus columba в сравнении с Synthliboramphus antiquus
Side-by-Side Comparison
| Характеристика | Pigeon Guillemot | Ancient Murrelet |
|---|---|---|
| Научное название | Cepphus columba | Synthliboramphus antiquus |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Alcidae | Alcidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 34,7 cm (13.7 in) | 27,1 cm (10.7 in) |
| Масса | 493,6666666666667 g (17.41 oz) | 208,16666666666666 g (7.34 oz) |
| Питание | -- | -- |
| Размер кладки | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Least Concern
Pigeon Guillemot
Least Concern
Ancient Murrelet
About These Birds
Pigeon Guillemot
Pigeon Guillemot, 30–36 cm, breeds on rocky shorelines of the North Pacific from California to Alaska and Kamchatka. Black plumage with white wing patch bisected by a black bar; red feet and mouth lining. Benthic diver; takes crabs, shrimp, and bottom fish. Partially migratory; short coastal movements.
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.