Black Guillemot vs Scripps's Murrelet
Cepphus grylle compared with Synthliboramphus scrippsi
Side-by-Side Comparison
| Attribute | Black Guillemot | Scripps's Murrelet |
|---|---|---|
| Scientific Name | Cepphus grylle | Synthliboramphus scrippsi |
| Order | Charadriiformes | Charadriiformes |
| Family | Alcidae | Alcidae |
| Conservation Status | Least Concern | Vulnerable |
| Length | — | — |
| Wingspan | 30.8 cm (12.1 in) | 24.0 cm (9.4 in) |
| Weight | 421.8666666666666 g (14.88 oz) | 175.5 g (6.19 oz) |
| Diet | -- | -- |
| Clutch Size | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Black Guillemot
Vulnerable
Scripps's Murrelet
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.
Scripps's Murrelet
Scripps's Murrelet, 22–24 cm, breeds in crevices on Channel Islands off southern California. White underparts contrasting with dark grey upperparts; white split extends up flanks. Nocturnal at colonies. Chicks lead-march to sea within 2 days of hatching. Piscivore; threatened by light pollution and introduced predators.