Sooty Shearwater vs Heinroth's Shearwater
Ardenna grisea comparado con Puffinus heinrothi
Side-by-Side Comparison
| Atributo | Sooty Shearwater | Heinroth's Shearwater |
|---|---|---|
| Nombre científico | Ardenna grisea | Puffinus heinrothi |
| Orden | Procellariiformes | Procellariiformes |
| Familia | Procellariidae | Procellariidae |
| Estado de conservación | Near Threatened | Vulnerable |
| Longitud | — | — |
| Envergadura | 59,1 cm (23.3 in) | 35,7 cm (14.1 in) |
| Peso | 814,0 g (28.71 oz) | 82,0 g (2.89 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Ninguno
Sooty Shearwater only
Heinroth's Shearwater only
Ninguno
Estado de conservación
Near Threatened
Sooty Shearwater
Vulnerable
Heinroth's Shearwater
About These Birds
Sooty Shearwater
40–51 cm, wingspan 94–110 cm. All dark sooty-brown with silvery-white underwing flash. Breeds New Zealand and southern South America; undertakes one of the longest migrations of any animal to North Pacific and Atlantic. Feeds on fish, squid, and krill. Near Threatened; millions estimated.
Heinroth's Shearwater
27 cm. Small dark shearwater; all sooty-brown with pale bill. Breeds Solomon Islands and Papua New Guinea. Critically Endangered; extremely poorly known with only a handful of records. Breeding biology almost completely unknown; one of the rarest and least-studied seabirds.