Wedge-tailed Shearwater vs Heinroth's Shearwater
Ardenna pacifica so với Puffinus heinrothi
Side-by-Side Comparison
| Thuộc Tính | Wedge-tailed Shearwater | Heinroth's Shearwater |
|---|---|---|
| Tên Khoa Học | Ardenna pacifica | Puffinus heinrothi |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 59,4 cm (23.4 in) | 35,7 cm (14.1 in) |
| Khối Lượng | 435,0 g (15.34 oz) | 82,0 g (2.89 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Wedge-tailed Shearwater only
Heinroth's Shearwater only
Không
Tình Trạng Bảo Tồn
Least Concern
Wedge-tailed Shearwater
Vulnerable
Heinroth's Shearwater
About These Birds
Wedge-tailed Shearwater
38–46 cm, wingspan 97–105 cm. Long wedge-shaped tail diagnostic; dark brown above; polymorphic below (dark or white-breasted). Breeds tropical Pacific and Indian Ocean islands. Ranges widely at sea. Feeds on fish and squid; often associates with tuna. Common and widespread.
Heinroth's Shearwater
27 cm. Small dark shearwater; all sooty-brown with pale bill. Breeds Solomon Islands and Papua New Guinea. Critically Endangered; extremely poorly known with only a handful of records. Breeding biology almost completely unknown; one of the rarest and least-studied seabirds.