Pycroft's Petrel vs Heinroth's Shearwater
Pterodroma pycrofti से तुलना Puffinus heinrothi
Side-by-Side Comparison
| विशेषता | Pycroft's Petrel | Heinroth's Shearwater |
|---|---|---|
| वैज्ञानिक नाम | Pterodroma pycrofti | Puffinus heinrothi |
| गण | Procellariiformes | Procellariiformes |
| कुल | Procellariidae | Procellariidae |
| संरक्षण स्थिति | Vulnerable | Vulnerable |
| लंबाई | — | — |
| पंखों का फैलाव | 42.8 cm (16.9 in) | 35.7 cm (14.1 in) |
| वजन | 156.5 g (5.52 oz) | 82.0 g (2.89 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Vulnerable
Pycroft's Petrel
Vulnerable
Heinroth's Shearwater
About These Birds
Pycroft's Petrel
26–28 cm. Small; pale grey above with dark M-mark; white underparts with partial dark collar. Breeds small islands off northern New Zealand (Poor Knights, Hen & Chickens). Vulnerable; migrates to North Pacific. Feeds on squid and fish; nocturnal at colonies; threatened by rats.
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.