Northern Giant Petrel vs Heinroth's Shearwater
Macronectes halli so với Puffinus heinrothi
Side-by-Side Comparison
| Thuộc Tính | Northern Giant Petrel | Heinroth's Shearwater |
|---|---|---|
| Tên Khoa Học | Macronectes halli | Puffinus heinrothi |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Procellariidae | Procellariidae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 99,6 cm (39.2 in) | 35,7 cm (14.1 in) |
| Khối Lượng | 4362,5 g (153.88 oz) | 82,0 g (2.89 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | -- |
| Population Trend | — | — |
Tình Trạng Bảo Tồn
Least Concern
Northern Giant Petrel
Vulnerable
Heinroth's Shearwater
About These Birds
Northern Giant Petrel
80–95 cm, wingspan 150–200 cm. Resembles Southern Giant Petrel but bill tip is reddish-brown; lacks white morph. Breeds subantarctic islands (South Georgia, Macquarie, Auckland). Ranges north into subtropics; scavenges offal and carrion at sea. Near Threatened due to longline bycatch.
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.