Large Saint Helena Petrel vs Antarctic Petrel
Pterodroma rupinarum в сравнении с Thalassoica antarctica
Side-by-Side Comparison
| Характеристика | Large Saint Helena Petrel | Antarctic Petrel |
|---|---|---|
| Научное название | Pterodroma rupinarum | Thalassoica antarctica |
| Отряд | Procellariiformes | Procellariiformes |
| Семейство | Procellariidae | Procellariidae |
| Охранный статус | Extinct | Least Concern |
| Длина | — | — |
| Размах крыльев | — | 59,2 cm (23.3 in) |
| Масса | — | 658,3333333333334 g (23.22 oz) |
| Питание | -- | -- |
| Размер кладки | -- | 1 |
| Population Trend | — | — |
Охранный статус
Extinct
Large Saint Helena Petrel
Least Concern
Antarctic Petrel
About These Birds
Large Saint Helena Petrel
Extinct; known only from subfossil bones found on St. Helena. Medium-large petrel that went extinct within the last few centuries, likely due to human settlement, habitat destruction, and introduced predators. Related to living Pterodroma species; part of the endemic St. Helena avifauna.
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.