Black-bellied Storm-petrel vs Polynesian Storm-petrel
Fregetta tropica से तुलना Nesofregetta fuliginosa
Side-by-Side Comparison
| विशेषता | Black-bellied Storm-petrel | Polynesian Storm-petrel |
|---|---|---|
| वैज्ञानिक नाम | Fregetta tropica | Nesofregetta fuliginosa |
| गण | Procellariiformes | Procellariiformes |
| कुल | Oceanitidae | Oceanitidae |
| संरक्षण स्थिति | Least Concern | Endangered |
| लंबाई | — | — |
| पंखों का फैलाव | 32.9 cm (13.0 in) | 39.5 cm (15.6 in) |
| वजन | 53.0 g (1.87 oz) | 71.0 g (2.50 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Least Concern
Black-bellied Storm-petrel
Endangered
Polynesian Storm-petrel
About These Birds
Black-bellied Storm-petrel
Black-bellied Storm-petrel, 19–21 cm, breeds on sub-Antarctic islands and disperses widely across the Southern Ocean. Dark above with white rump; distinctive black streak through the white belly. Patters over wave surfaces picking up plankton. Long-distance pelagic movements after breeding.
Polynesian Storm-petrel
Polynesian Storm-petrel, 25–26 cm, is the largest storm-petrel, breeding on tropical Pacific islands from the Marquesas to the Cook Islands. Two morphs: dark and white-bellied. Flies with distinctive high bounding style. Vulnerable; predated by introduced rats and cats on nesting islands. Planktivore.