Crested Auklet vs Black Guillemot
Aethia cristatella مقارنةً بـ Cepphus grylle
Side-by-Side Comparison
| السمة | Crested Auklet | Black Guillemot |
|---|---|---|
| الاسم العلمي | Aethia cristatella | Cepphus grylle |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Alcidae | Alcidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 27,9 cm (11.0 in) | 30,8 cm (12.1 in) |
| الوزن | 260,0 g (9.17 oz) | 421,8666666666666 g (14.88 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Crested Auklet
Least Concern
Black Guillemot
About These Birds
Crested Auklet
Crested Auklet, 23–26 cm, breeds in huge colonies on Aleutian and Bering Sea islands, forming spectacular wheeling flocks. Elaborate forward-curving crest, small orange bill. Males emit a citrus-tangerine scent from nape used in courtship. Planktivore; dives for euphausiids and copepods in icy waters.
Black Guillemot
Black Guillemot, 30–32 cm, is a compact North Atlantic alcid, distinctive in summer: entirely black with bold white wing patches and vivid red feet. Resident on rocky Arctic and boreal shores year-round; does not undertake long pelagic migrations. Dives to 50 m for blennies and sand eels near shore.