Balearic Shearwater vs Yelkouan Shearwater
Puffinus mauretanicus compared with Puffinus yelkouan
Side-by-Side Comparison
| Attribute | Balearic Shearwater | Yelkouan Shearwater |
|---|---|---|
| Scientific Name | Puffinus mauretanicus | Puffinus yelkouan |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Critically Endangered | Vulnerable |
| Length | — | — |
| Wingspan | 48.4 cm (19.1 in) | 45.8 cm (18.0 in) |
| Weight | 514.8 g (18.16 oz) | 422.5 g (14.90 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Critically Endangered
Balearic Shearwater
Vulnerable
Yelkouan 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.
Yelkouan Shearwater
30–38 cm. Brown-black above, white below; similar to Manx but darker with brown flanks and dusky undertail. Breeds Mediterranean islands and coasts. Non-breeding range in eastern Mediterranean and Black Sea. Vulnerable; threatened by introduced predators and light pollution. Feeds on fish and squid.