Stejneger's Petrel vs Antarctic Petrel
Pterodroma longirostris comparado con Thalassoica antarctica
Side-by-Side Comparison
| Atributo | Stejneger's Petrel | Antarctic Petrel |
|---|---|---|
| Nombre científico | Pterodroma longirostris | Thalassoica antarctica |
| Orden | Procellariiformes | Procellariiformes |
| Familia | Procellariidae | Procellariidae |
| Estado de conservación | Vulnerable | Least Concern |
| Longitud | — | — |
| Envergadura | 42,4 cm (16.7 in) | 59,2 cm (23.3 in) |
| Peso | 140,5 g (4.96 oz) | 658,3333333333334 g (23.22 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservación
Vulnerable
Stejneger's Petrel
Least Concern
Antarctic Petrel
About These Birds
Stejneger's Petrel
26 cm. Small gadfly petrel; pale grey above with dark M-mark; white below with dark partial collar and carpal bar. Breeds Juan Fernandez Islands (Chile); migrates to North Pacific. Vulnerable; closely related to Cook's Petrel; distinguished by slightly longer bill.
Antarctic Petrel
40–46 cm, wingspan 100–110 cm. Striking chocolate-brown and white pattern; only member of its genus. Breeds solely in Antarctica on cliff ledges; among the most southerly-nesting birds. Feeds on fish and krill beneath pack ice. Returns to colonies in October; one of the most abundant Antarctic seabirds.