Broad-billed Prion vs Antarctic Petrel
Pachyptila vittata compared with Thalassoica antarctica
Side-by-Side Comparison
| Attribute | Broad-billed Prion | Antarctic Petrel |
|---|---|---|
| Scientific Name | Pachyptila vittata | Thalassoica antarctica |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 39.0 cm (15.4 in) | 59.2 cm (23.3 in) |
| Weight | 187.0 g (6.60 oz) | 658.3333333333334 g (23.22 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Broad-billed Prion
Least Concern
Antarctic Petrel
About These Birds
Broad-billed Prion
25–30 cm, wingspan 57–66 cm. Largest prion; pale blue-grey above, white below with dark M-mark across wings. Bill broad, blue with lamellae for filter-feeding on copepods. Breeds Tristan da Cunha and New Zealand subantarctic. Feeds by hydroplaning with bill submerged.
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.