Side-by-Side Comparison

Attribut	Subantarctic Shearwater	Balearic Shearwater
Nom scientifique	Puffinus elegans	Puffinus mauretanicus
Ordre	Procellariiformes	Procellariiformes
Famille	Procellariidae	Procellariidae
Statut de conservation	Least Concern	Critically Endangered
Longueur	—	—
Envergure	36,8 cm (14.5 in)	48,4 cm (19.1 in)
Poids	222,5 g (7.85 oz)	514,8 g (18.16 oz)
Régime alimentaire	--	--
Taille de la couvée	1	1
Population Trend	—	—

Habitat Comparison

Habitats partagés

Aucun(e)

Subantarctic Shearwater only

🌲 Forest 🌾 Grassland

Balearic Shearwater only

🏖️ Coastal

Statut de conservation

Least Concern

Subantarctic Shearwater

Critically Endangered

Balearic Shearwater

About These Birds

Subantarctic Shearwater

27–30 cm. Dark above; white below with clean sharp borders; slightly larger than related small shearwaters. Breeds subantarctic islands (Tristan da Cunha, Gough, St. Paul). Ranges in subantarctic Southern Ocean. Separated from Little Shearwater by range and subtle differences.

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.

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