Hawaiian Petrel vs Heinroth's Shearwater
Pterodroma sandwichensis so với Puffinus heinrothi
Side-by-Side Comparison
| Thuộc Tính | Hawaiian Petrel | Heinroth's Shearwater |
|---|---|---|
| Tên Khoa Học | Pterodroma sandwichensis | Puffinus heinrothi |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Endangered | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 54,3 cm (21.4 in) | 35,7 cm (14.1 in) |
| Khối Lượng | 479,5 g (16.91 oz) | 82,0 g (2.89 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Hawaiian Petrel only
Heinroth's Shearwater only
Không
Tình Trạng Bảo Tồn
Endangered
Hawaiian Petrel
Vulnerable
Heinroth's Shearwater
About These Birds
Hawaiian Petrel
43 cm. Dark above with white forehead; white below with dark partial collar and carpal bar. Breeds high-elevation burrowing colonies on Hawaiian mountains. Vulnerable; threatened by introduced predators, light attraction, habitat loss. Migrates to northeast Pacific after breeding.
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.