South Georgia Diving-petrel vs Balearic Shearwater
Pelecanoides georgicus verglichen mit Puffinus mauretanicus
Side-by-Side Comparison
| Merkmal | South Georgia Diving-petrel | Balearic Shearwater |
|---|---|---|
| Wissenschaftlicher Name | Pelecanoides georgicus | Puffinus mauretanicus |
| Ordnung | Procellariiformes | Procellariiformes |
| Familie | Procellariidae | Procellariidae |
| Erhaltungsstatus | Least Concern | Critically Endangered |
| Länge | — | — |
| Flügelspannweite | 22,6 cm (8.9 in) | 48,4 cm (19.1 in) |
| Gewicht | 129,0 g (4.55 oz) | 514,8 g (18.16 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
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.