Desertas Petrel vs Balearic Shearwater
Pterodroma deserta compared with Puffinus mauretanicus
Side-by-Side Comparison
| Attribute | Desertas Petrel | Balearic Shearwater |
|---|---|---|
| Scientific Name | Pterodroma deserta | Puffinus mauretanicus |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Vulnerable | Critically Endangered |
| Length | — | — |
| Wingspan | 50.5 cm (19.9 in) | 48.4 cm (19.1 in) |
| Weight | 315.0 g (11.11 oz) | 514.8 g (18.16 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Vulnerable
Desertas Petrel
Critically Endangered
Balearic Shearwater
About These Birds
Desertas Petrel
34–36 cm. Dark above with grey rump; white belly with dusky flanks and partial breast-band. Breeds only on Deserta Grande, Madeira archipelago; Vulnerable with around 200–250 pairs. Ranges through tropical Atlantic. Threatened by introduced cats; nocturnal at colonies.
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.