Birds of New Zealand, Hawaii, Central and West Pacific. Ber Perlo van

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and 11.3) but white primary shafts on upperwings (hard to see) diagnostic. Nests on cliffs or slopes with little vegetation. Long, drawn-out, mourning shrieks and bleating, changing in pitch. Breeds NZ 10. R 10.5 JUAN FERNANDEZ PETREL Pterodroma externa [Pétrel de Juan Fernandez] W 97cm. Note large size and narrow black bar to underwings. Often shows horseshoe-like white base to upper tail. Breeds outside the area. Short series of mewing and trumpet-like notes. Also drawn-out hooting. Breeds Juan Fernandez Is, Chile, from where disperses north. R 10.6 WHITE-NECKED (or ^NZWhite-naped) PETREL Pterodroma cervicalis [Pétrel à col blanc] W 100cm. White neck diagnostic but beware of individuals of 10.5 with pale grey neck. Offshore and open seas. May nest in burrows (Kermadecs). Breeds NZ 10. R 10.7 STEJNEGER’S PETREL Pterodroma longirostris [Pétrel de Stejneger] W 60cm. Note narrow black bar to underwings, similar to 10.8, but shows darker upperparts. Offshore and open sea. Nests in burrows under ferns. Breeds Juan Fernandez Is, Chile, from where disperses north. R 10.8 COOK’S PETREL Pterodroma cookii [Pétrel de Cook] W 65cm. Cf. 10.7. Upper parts paler grey than other small petrels. Breeds in burrows near ridges or steep slopes in thick forest. Mid-high, nasal chatters. Breeds NZ 12 and other small islands off NZ. R

      11 Petrels

	11.1 PYCROFT’S PETREL Pterodroma pycrofti [Pétrel de Pycroft] W 53cm. Note small size and narrow black line from wrist to body. In general darker than 10.8 and with less extensive dark patch around eye than 10.7. Offshore. Nests in burrows in forest. Very high peepeep-puh (last part much lower). Main colonies at islands off N NZ 1. R
	11.2 MURPHY’S PETREL Pterodroma ultima [Pétrel de Murphy] W 97cm. From 10.4 (dark morph) by indistinct M pattern on upperwings and lack of white primary shafts. Offshore and open seas. Breeds openly on the ground, usually next to some wind protection. High barking and low, hollow, drawn-out wailing. Breeds FrPo, Co, Pi.
	11.3 HERALD PETREL Pterodroma arminjoniana [Pétrel hérault] W 95cm. Polymorph, most common are intermediates (not shown) between dark (a) and pale (b) morphs. Note underwing pattern. Offshore and open seas. Surface breeder at sheltered sites. Drawn-out whinnying and bickering. Breeds Ton, Co 1, FrPo, Pi.
	11.4 GOULD’S PETREL Pterodroma leucoptera [Pétrel de Gould] W 70cm. Note blackish cap, indistinct M pattern on upperwings and broad black mark along leading edge of underwings. Offshore and open seas. Nests in gullies and on slopes with palm cover. Very high, sharp, nasal shrieks tfeet-tfeet—. A.Sa 2, Fi, Co. R (see also 9.3).
	11.5 BONIN PETREL Pterodroma hypoleuca [Pétrel des Bonin] W 67cm. Underwing pattern diagnostic. Offshore and open seas. Burrow breeder in sandy soils with vegetation. Low, very soft, rattling croaks. Breeds Ha 13–18, NMa.
	11.6 HAWAIIAN PETREL Pterodroma sandwichensis [Pétrel des Hawaï] W 91cm. Note characteristic dark cap and lack of M pattern on upperwings. Offshore and open seas. Breeds in burrows or crevices under vegetation high on mountain slopes. High, hollow, three-syllabled hoots and mid-high, slightly squeaking or croaking calls. Breeds Ha 1,2,4, 5, Скачать книгу В начало < 16 17 18 19 20 21 22 > В конец e-mail: [email protected]