Tidak resmiRoostWiki
Cook’s Petrel, burung Langka di Roost (buka ukuran penuh)

Burung laut (Seabirds)

Cook’s Petrel

Pterodroma cookii

  • langka
  • 55 km/h
  • Rentan

Nests on three islands in New Zealand, then crosses the Pacific to California. Forty hours of ocean is a Tuesday.

Populasi
Over 1 million individuals total (~670,000 mature individuals); Little Barrier Island (98% of global population, ~286,000 breeding pairs in 2007) and Codfish Island stable-to-increasing rapidly following predator eradication; Great Barrier Island's small remnant population remains severely depleted (from ~20,000 historically to roughly 100)
Habitat
Breeds in burrows on forested ridges and steep slopes (roughly 300-700 m elevation) on predator-free/predator-managed islands; otherwise highly pelagic, foraging over open ocean far from land
Fakta menarik
After Pacific rats were eradicated from Little Barrier Island in 2004, Cook's Petrel chick fledging success there jumped from about 5% to 70%.
Sebaran
Endemic breeder to New Zealand, nesting only on Little Barrier Island (Hauturu), Great Barrier Island (Aotea), and Codfish Island (Whenua Hou); non-breeding season ranges widely across the Pacific Ocean roughly from the Gulf of Alaska/southern California south to Peru/Chile
Makanan
Primarily squid, supplemented with fish and crustaceans, caught mainly at night at or near the sea surface
Ukuran
0,27 m
Bentang sayap
0,655 m
Masa hidup
15 tahun

Lainnya dari Burung laut (Seabirds)

12 burung berikutnya setelah yang ini, dari 73 di koleksi ini.