Ancient Murrelet vs Scripps's Murrelet
Synthliboramphus antiquus مقارنةً بـ Synthliboramphus scrippsi
Side-by-Side Comparison
| السمة | Ancient Murrelet | Scripps's Murrelet |
|---|---|---|
| الاسم العلمي | Synthliboramphus antiquus | Synthliboramphus scrippsi |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Alcidae | Alcidae |
| حالة الحفاظ | Least Concern | Vulnerable |
| الطول | — | — |
| طول الجناح | 27,1 cm (10.7 in) | 24,0 cm (9.4 in) |
| الوزن | 208,16666666666666 g (7.34 oz) | 175,5 g (6.19 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
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.