Читать книгу Birds of New Zealand, Hawaii, Central and West Pacific - Ber Perlo van - Страница 17
Оглавление9 Petrels
| 9.1 TAHITI PETREL Pterodroma rostrata [Pétrel de Tahiti] W 84cm. Very similar to 10.3, which see. Note the pale stripe down centre of underwings, sharp demarcation on chest and rather pale uppertail coverts. Flies with straight wings held perpendicular to body, alternating deep wingbeats with banking glides and arcs. Breeds in burrows on mountain slopes with thick forest cover. Forages at open sea. Nasal, drawn-out shrieks at varying pitch. Breeds FrPo 3,4,19, Co 1. R | |
| 9.2 FIJI PETREL Pterodroma macillivrayi [Pétrel des Fidji] W 68cm. Characterised by small size and uniform brown plumage. From 12.5 by lack of paler wingbar. Breeding grounds unknown; presumed to forage offshore. Fi 10. R E.Fi | |
| 9.3 GOULD’S PETREL14 Pterodroma leucoptera [Pétrel de Gould] W 70cm. Note small size, black cap, narrow underwing markings and dark M across wings. Offshore and open seas. Very high, sharp, nasal shrieks tfeet-tfeet—. A.Sa 2. Fi, Co. R (see also 11.4). | |
| 9.4 BLACK-WINGED PETREL Pterodroma nigripennis [Pétrel à ailes noires] W 67cm. From 9.3 by paler cap and darker, broader underwing markings. Offshore and open seas. Digs nest burrows under scrub and tussocks or breeds in rock crevices. High, hollow, mourning twoot notes in series of 3–20. Also high, nasal and falsetto shrieks. Breeds NZ 4,10,11, FrPo 30. | |
| 9.5 PROVIDENCE PETREL Pterodroma solandri [Pétrel de Solander] W 100cm. Head contrastingly darker. Note white markings at bill base and pale base of primaries on underwings. Very similar to 9.6, 10.4 (dark morph), 11.2 and 11.3, which see. Offshore and open seas. Nests in burrows or rock crevices, often within forest. Breeds also on sparsely vegetated cliffs. High, upslurred eeuuh-eeuuh—. Disperses N after breeding Lord Howe I. R | |
| 9.6 GREAT-WINGED PETREL15 Pterodroma macroptera [Pétrel noir] W 99cm. Nom. (a, with little white at bill base) shown and ssp gouldi (b, NZGrey-faced Petrel, with more white in face). From 9.5 by more uniform plumage and little or no pale flash on outer underwings. Offshore and open ocean. Nests in burrows or crevices under clumps of vegetation. Breeds islands and mainland N NZ 1. | |
| 9.7 SOFT-PLUMAGED PETREL Pterodroma mollis [Pétrel soyeux] W 89cm. Polymorph, pale (a) and rare dark (b) morphs shown. Note that collar is closed across breast and that more or less distinct pattern of underwings (often appearing uniform dark) resembles pattern of upperwings. Offshore and open ocean. Breeds in burrows under dense cover. Very high, drawn-out, wailing shrieks. Breeds NZ 8. | |
| 9.8 WHITE-HEADED PETREL Pterodroma lessonii [Pétrel de Lesson] W 109cm. Note white head and pale grey rump and tail, contrasting with darker wings and mantle. Offshore and open ocean. Breeds in burrows under tussocks, ferns, low shrub, often in open grassland. Low croaks and series sounding as if produced by a dry bicycle pump. Breeds NZ 6,8. | |
| 9.9 MAGENTA (or NZChatham I. Taiko) PETREL Pterodroma magentae [Pétrel de Magenta] W 102cm. From 9.1 by different underwing pattern, from 10.3 mainly by range. Offshore. Breeds in dense forest. Breeds NZ 4. R |
