Spectacled Petrel vs Antarctic Petrel
Procellaria conspicillata compared with Thalassoica antarctica
Side-by-Side Comparison
| Attribute | Spectacled Petrel | Antarctic Petrel |
|---|---|---|
| Scientific Name | Procellaria conspicillata | Thalassoica antarctica |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Vulnerable | Least Concern |
| Length | — | — |
| Wingspan | 71.0 cm (28.0 in) | 59.2 cm (23.3 in) |
| Weight | 1162.5 g (41.01 oz) | 658.3333333333334 g (23.22 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Conservation Status
Vulnerable
Spectacled Petrel
Least Concern
Antarctic Petrel
About These Birds
Spectacled Petrel
58 cm. Large, sooty-black petrel; ivory bill with dark markings; diagnostic white spectacle marks around eye. Breeds only Inaccessible Island (Tristan da Cunha). Vulnerable; entire breeding population on a single isolated island; at risk from longline fisheries and storms.
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.