Little Shearwater vs Balearic Shearwater
Puffinus assimilis compared with Puffinus mauretanicus
Side-by-Side Comparison
| Attribute | Little Shearwater | Balearic Shearwater |
|---|---|---|
| Scientific Name | Puffinus assimilis | Puffinus mauretanicus |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Least Concern | Critically Endangered |
| Length | — | — |
| Wingspan | 36.0 cm (14.2 in) | 48.4 cm (19.1 in) |
| Weight | 198.0 g (6.98 oz) | 514.8 g (18.16 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
Little Shearwater only
Balearic Shearwater only
None
Conservation Status
Least Concern
Little Shearwater
Critically Endangered
Balearic Shearwater
About These Birds
Little Shearwater
25–30 cm. Small shearwater; dark above with white underparts and extensive white on face and sides of neck. Breeds Canary Islands, Madeira, and southern hemisphere islands; ranges in adjacent oceans. Feeds on small fish and squid; fast fluttering flight close to water.
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.