Ancient Murrelet vs Japanese Murrelet
Synthliboramphus antiquus से तुलना Synthliboramphus wumizusume
Side-by-Side Comparison
| विशेषता | Ancient Murrelet | Japanese Murrelet |
|---|---|---|
| वैज्ञानिक नाम | Synthliboramphus antiquus | Synthliboramphus wumizusume |
| गण | Charadriiformes | Charadriiformes |
| कुल | Alcidae | Alcidae |
| संरक्षण स्थिति | Least Concern | Vulnerable |
| लंबाई | — | — |
| पंखों का फैलाव | 27.1 cm (10.7 in) | 24.0 cm (9.4 in) |
| वजन | 208.16666666666666 g (7.34 oz) | 171.6 g (6.05 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Least Concern
Ancient Murrelet
Vulnerable
Japanese 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.
Japanese Murrelet
Japanese Murrelet, 26–28 cm, is a Vulnerable alcid endemic to Japan, breeding on rocky islets in the Pacific. Black head with a small white supercilium stripe; grey back. Nests in rock crevices; chicks led to sea while still tiny. Piscivore; threatened by gill-net bycatch and feral predators on islands.