Balearic Shearwater vs Galapagos Shearwater
Puffinus mauretanicus compared with Puffinus subalaris
Side-by-Side Comparison
| Attribute | Balearic Shearwater | Galapagos Shearwater |
|---|---|---|
| Scientific Name | Puffinus mauretanicus | Puffinus subalaris |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Critically Endangered | Least Concern |
| Length | — | — |
| Wingspan | 48.4 cm (19.1 in) | 37.2 cm (14.6 in) |
| Weight | 514.8 g (18.16 oz) | 176.5 g (6.23 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Critically Endangered
Balearic Shearwater
Least Concern
Galapagos Shearwater
About These Birds
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.
Galapagos Shearwater
27–30 cm. Dark above; white below with grey-brown flanks and vent. Breeds Galapagos Islands (endemic). Ranges in eastern Pacific near the archipelago. Near Threatened; threatened by introduced predators. Feeds on fish near productive Humboldt Current upwellings.