Kittlitz's Murrelet vs Ancient Murrelet
Brachyramphus brevirostris ile kıyaslandığında Synthliboramphus antiquus
Side-by-Side Comparison
| Özellik | Kittlitz's Murrelet | Ancient Murrelet |
|---|---|---|
| Bilimsel Ad | Brachyramphus brevirostris | Synthliboramphus antiquus |
| Takım | Charadriiformes | Charadriiformes |
| Familya | Alcidae | Alcidae |
| Koruma Durumu | Near Threatened | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 27,6 cm (10.9 in) | 27,1 cm (10.7 in) |
| Ağırlık | 233,0333333333333 g (8.22 oz) | 208,16666666666666 g (7.34 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 1 | 2 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Kittlitz's Murrelet only
Hiçbiri
Ancient Murrelet only
Hiçbiri
Koruma Durumu
Near Threatened
Kittlitz's Murrelet
Least Concern
Ancient Murrelet
About These Birds
Kittlitz's Murrelet
Kittlitz's Murrelet, 23–25 cm, is an enigmatic auk that nests on rocky tundra above the tree line in Alaska and eastern Russia, often near glaciers. Mottled brown in summer, white in winter. Critically dependent on glacial outwash for foraging; Vulnerable as glaciers recede. Piscivore.
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.