Northern Giant Petrel vs Balearic Shearwater
Macronectes halli comparé à Puffinus mauretanicus
Side-by-Side Comparison
| Attribut | Northern Giant Petrel | Balearic Shearwater |
|---|---|---|
| Nom scientifique | Macronectes halli | Puffinus mauretanicus |
| Ordre | Procellariiformes | Procellariiformes |
| Famille | Procellariidae | Procellariidae |
| Statut de conservation | Least Concern | Critically Endangered |
| Longueur | — | — |
| Envergure | 99,6 cm (39.2 in) | 48,4 cm (19.1 in) |
| Poids | 4362,5 g (153.88 oz) | 514,8 g (18.16 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Least Concern
Northern Giant Petrel
Critically Endangered
Balearic Shearwater
About These Birds
Northern Giant Petrel
80–95 cm, wingspan 150–200 cm. Resembles Southern Giant Petrel but bill tip is reddish-brown; lacks white morph. Breeds subantarctic islands (South Georgia, Macquarie, Auckland). Ranges north into subtropics; scavenges offal and carrion at sea. Near Threatened due to longline bycatch.
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.