Grey-faced Petrel vs Balearic Shearwater
Pterodroma gouldi 对比 Puffinus mauretanicus
Side-by-Side Comparison
| 属性 | Grey-faced Petrel | Balearic Shearwater |
|---|---|---|
| 学名 | Pterodroma gouldi | Puffinus mauretanicus |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保护状况 | Least Concern | Critically Endangered |
| 体长 | — | — |
| 翼展 | 62.6 cm (24.6 in) | 48.4 cm (19.1 in) |
| 体重 | 632.0 g (22.29 oz) | 514.8 g (18.16 oz) |
| 食性 | -- | -- |
| 产卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Grey-faced Petrel
Critically Endangered
Balearic Shearwater
About These Birds
Grey-faced Petrel
43 cm, wingspan 100–105 cm. Dark brown above with grey-brown face; paler underbody. Closely related to Kerguelen and Great-winged petrels. Breeds on rocky islands off northern New Zealand. Ranges in southwestern Pacific; feeds on squid and fish; visits colonies only at night.
Balearic Shearwater
30–38 cm. Brown above; variably dirty-white to brown below; often shows brown smudging on flanks. Breeds only Balearic Islands, Spain. Critically Endangered with fewer than 3,000 pairs; faces extinction. Migrates to NE Atlantic; threatened by predators, fishing bycatch, and tourist development.