Blue Petrel vs Atlantic Petrel
Halobaena caerulea compared with Pterodroma incerta
Side-by-Side Comparison
| Attribute | Blue Petrel | Atlantic Petrel |
|---|---|---|
| Scientific Name | Halobaena caerulea | Pterodroma incerta |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Endangered |
| Length | — | — |
| Wingspan | 41.2 cm (16.2 in) | 63.6 cm (25.0 in) |
| Weight | 201.5 g (7.11 oz) | 515.0 g (18.17 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Blue Petrel
Endangered
Atlantic 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.
Atlantic Petrel
43 cm, wingspan 104 cm. Large; dark brown above with pale belly and dusky breast-band creating hooded appearance. Breeds Tristan da Cunha and Gough Island; ranges into south Atlantic and Indian Ocean. Endangered; threatened by introduced predators and longline fisheries.