Ancient Murrelet vs Scripps's Murrelet
Synthliboramphus antiquus comparé à Synthliboramphus scrippsi
Side-by-Side Comparison
| Attribut | Ancient Murrelet | Scripps's Murrelet |
|---|---|---|
| Nom scientifique | Synthliboramphus antiquus | Synthliboramphus scrippsi |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Alcidae | Alcidae |
| Statut de conservation | Least Concern | Vulnerable |
| Longueur | — | — |
| Envergure | 27,1 cm (10.7 in) | 24,0 cm (9.4 in) |
| Poids | 208,16666666666666 g (7.34 oz) | 175,5 g (6.19 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Least Concern
Ancient Murrelet
Vulnerable
Scripps's Murrelet
About These Birds
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.
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.