Sooty Shearwater vs Heinroth's Shearwater
Ardenna grisea से तुलना Puffinus heinrothi
Side-by-Side Comparison
| विशेषता | Sooty Shearwater | Heinroth's Shearwater |
|---|---|---|
| वैज्ञानिक नाम | Ardenna grisea | Puffinus heinrothi |
| गण | Procellariiformes | Procellariiformes |
| कुल | Procellariidae | Procellariidae |
| संरक्षण स्थिति | Near Threatened | Vulnerable |
| लंबाई | — | — |
| पंखों का फैलाव | 59.1 cm (23.3 in) | 35.7 cm (14.1 in) |
| वजन | 814.0 g (28.71 oz) | 82.0 g (2.89 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
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.