South Georgia Diving-petrel vs Balearic Shearwater
Pelecanoides georgicus в сравнении с Puffinus mauretanicus
Side-by-Side Comparison
| Характеристика | South Georgia Diving-petrel | Balearic Shearwater |
|---|---|---|
| Научное название | Pelecanoides georgicus | Puffinus mauretanicus |
| Отряд | Procellariiformes | Procellariiformes |
| Семейство | Procellariidae | Procellariidae |
| Охранный статус | Least Concern | Critically Endangered |
| Длина | — | — |
| Размах крыльев | 22,6 cm (8.9 in) | 48,4 cm (19.1 in) |
| Масса | 129,0 g (4.55 oz) | 514,8 g (18.16 oz) |
| Питание | -- | -- |
| Размер кладки | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Least Concern
South Georgia Diving-petrel
Critically Endangered
Balearic Shearwater
About These Birds
South Georgia Diving-petrel
20 cm. Tiny; dark above, white below; paler scapular edges. Breeds South Georgia, Kerguelen, and Heard Island. Extremely abundant; possibly billions of individuals in Southern Ocean. Feeds on euphausiids by diving; sympatric with Common Diving-petrel but smaller with narrower bill.
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.