Northern Giant Petrel vs Heinroth's Shearwater
Macronectes halli verglichen mit Puffinus heinrothi
Side-by-Side Comparison
| Merkmal | Northern Giant Petrel | Heinroth's Shearwater |
|---|---|---|
| Wissenschaftlicher Name | Macronectes halli | Puffinus heinrothi |
| Ordnung | Procellariiformes | Procellariiformes |
| Familie | Procellariidae | Procellariidae |
| Erhaltungsstatus | Least Concern | Vulnerable |
| Länge | — | — |
| Flügelspannweite | 99,6 cm (39.2 in) | 35,7 cm (14.1 in) |
| Gewicht | 4362,5 g (153.88 oz) | 82,0 g (2.89 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1 | -- |
| Population Trend | — | — |
Erhaltungsstatus
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.