Common Diving-petrel vs Balearic Shearwater
Pelecanoides urinatrix مقارنةً بـ Puffinus mauretanicus
Side-by-Side Comparison
| السمة | Common Diving-petrel | Balearic Shearwater |
|---|---|---|
| الاسم العلمي | Pelecanoides urinatrix | Puffinus mauretanicus |
| الرتبة | Procellariiformes | Procellariiformes |
| الفصيلة | Procellariidae | Procellariidae |
| حالة الحفاظ | Least Concern | Critically Endangered |
| الطول | — | — |
| طول الجناح | 24,3 cm (9.6 in) | 48,4 cm (19.1 in) |
| الوزن | 135,5 g (4.78 oz) | 514,8 g (18.16 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Common Diving-petrel
Critically Endangered
Balearic Shearwater
About These Birds
Common Diving-petrel
20–25 cm. Dark above; white below; broad wings used for underwater propulsion. Most widespread diving-petrel; breeds New Zealand, southern Australia, Falklands, and subantarctic islands. Feeds on small fish and crustaceans by diving. Highly vulnerable to introduced predators at nesting colonies.
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.