Great Shearwater vs Mascarene Petrel
Ardenna gravis verglichen mit Pseudobulweria aterrima
Side-by-Side Comparison
| Merkmal | Great Shearwater | Mascarene Petrel |
|---|---|---|
| Wissenschaftlicher Name | Ardenna gravis | Pseudobulweria aterrima |
| Ordnung | Procellariiformes | Procellariiformes |
| Familie | Procellariidae | Procellariidae |
| Erhaltungsstatus | Least Concern | Critically Endangered |
| Länge | — | — |
| Flügelspannweite | 63,6 cm (25.0 in) | 50,6 cm (19.9 in) |
| Gewicht | 832,5 g (29.37 oz) | 220,66666666666666 g (7.78 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Least Concern
Great Shearwater
Critically Endangered
Mascarene Petrel
About These Birds
Great Shearwater
43–51 cm, wingspan 105–122 cm. Large; dark brown above with white underparts, dark cap, and distinctive scaly pattern on upperwing. Breeds Tristan da Cunha, Gough, and Falklands; migrates to North Atlantic. Feeds on fish and squid; spectacular post-breeding migration past UK coasts.
Mascarene Petrel
35–36 cm. All-black petrel with hooked bill. Critically Endangered; breeds only Réunion Island; fewer than 250 adults estimated. One of the rarest seabirds. Threatened by introduced predators and light attraction; known mainly from bones and very occasional sightings at sea.