Black Guillemot vs Rhinoceros Auklet
Cepphus grylle مقارنةً بـ Cerorhinca monocerata
Side-by-Side Comparison
| السمة | Black Guillemot | Rhinoceros Auklet |
|---|---|---|
| الاسم العلمي | Cepphus grylle | Cerorhinca monocerata |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Alcidae | Alcidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 30,8 cm (12.1 in) | 35,8 cm (14.1 in) |
| الوزن | 421,8666666666666 g (14.88 oz) | 503,75 g (17.77 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Black Guillemot
Least Concern
Rhinoceros Auklet
About These Birds
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.
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.