Antarctic Prion vs Henderson Petrel
Pachyptila desolata в сравнении с Pterodroma atrata
Side-by-Side Comparison
| Характеристика | Antarctic Prion | Henderson Petrel |
|---|---|---|
| Научное название | Pachyptila desolata | Pterodroma atrata |
| Отряд | Procellariiformes | Procellariiformes |
| Семейство | Procellariidae | Procellariidae |
| Охранный статус | Least Concern | Endangered |
| Длина | — | — |
| Размах крыльев | 36,5 cm (14.4 in) | 59,0 cm (23.2 in) |
| Масса | 149,0 g (5.26 oz) | 320,0 g (11.29 oz) |
| Питание | -- | -- |
| Размер кладки | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Least Concern
Antarctic Prion
Endangered
Henderson Petrel
About These Birds
Antarctic Prion
25–28 cm, wingspan 58–66 cm. Classic prion pattern: pale blue-grey, white below, bold dark M across upperwing. Medium-broad bill. Most abundant and widespread prion; breeds South Georgia, Heard, Kerguelen, Macquarie. Feeds on crustaceans; makes deep dives compared to congeners.
Henderson Petrel
36–38 cm. All-dark gadfly petrel; sooty-brown with slightly paler primary patch below. Breeds Henderson Island (Pitcairn Islands). Endangered; population estimated at 5,000–10,000 pairs but vulnerable to introduced rats. Ranges in South Pacific; feeds at night on squid.