Blue Petrel vs Antarctic Petrel
Halobaena caerulea comparado com Thalassoica antarctica
Side-by-Side Comparison
| Atributo | Blue Petrel | Antarctic Petrel |
|---|---|---|
| Nome científico | Halobaena caerulea | Thalassoica antarctica |
| Ordem | Procellariiformes | Procellariiformes |
| Família | Procellariidae | Procellariidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 41,2 cm (16.2 in) | 59,2 cm (23.3 in) |
| Peso | 201,5 g (7.11 oz) | 658,3333333333334 g (23.22 oz) |
| Dieta | -- | -- |
| Tamanho da postura | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservação
Least Concern
Blue Petrel
Least Concern
Antarctic Petrel
About These Birds
Blue Petrel
26–32 cm, wingspan 60–71 cm. Blue-grey above with distinctive white-tipped square tail; white below. Resembles prions but tail pattern diagnostic. Breeds subantarctic islands (South Georgia, Crozet, Kerguelen). Ranges widely in Southern Ocean; feeds on crustaceans and small 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.