Trindade Petrel vs Antarctic Petrel
Pterodroma arminjoniana compared with Thalassoica antarctica
Side-by-Side Comparison
| Attribute | Trindade Petrel | Antarctic Petrel |
|---|---|---|
| Scientific Name | Pterodroma arminjoniana | Thalassoica antarctica |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Vulnerable | Least Concern |
| Length | — | — |
| Wingspan | 56.8 cm (22.4 in) | 59.2 cm (23.3 in) |
| Weight | 371.0 g (13.09 oz) | 658.3333333333334 g (23.22 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Conservation Status
Vulnerable
Trindade Petrel
Least Concern
Antarctic Petrel
About These Birds
Trindade Petrel
37–41 cm. Polymorphic; pale morph grey-brown above with white underparts and dark breast-band; dark morph all sooty. Breeds Trindade Island (Brazil) and Round Island (Mauritius). Ranges in tropical Atlantic and Indian oceans; feeds on squid and flying fish.
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.