Читать книгу Birds of New Zealand, Hawaii, Central and West Pacific - Ber Perlo van - Страница 9

Оглавление

1 Grebes & Loon

1.1 PIED-BILLED GREBE Podilymbus podiceps [Grèbe à bec bigarré] L 34cm. Note heavy bill. Rather vocal. Moults before departure from winter quarters. Wings unmarked in flight. Winters on sheltered freshwater ponds near vegetation. Series of nasal, trumpet-like or hollow notes. Ha.
1.2 RED-NECKED GREBE Podiceps grisegena [Grèbe jougris] L 47cm. Note yellow base to long bill and thick neck. Br and N-br wing pattern like Br plumage of smaller 1.3. Winters in open estuaries and other coastal waters and on open ocean. Ha 7.
1.3 HORNED GREBE Podiceps auritus [Grèbe esclavon] L 35cm. From 1.4 by pale tip to bill. Br plumage from 1.4 by colour of neck. Crown of N-br plumage peaks further back than in 1.4. N-br wing pattern like 1.4. Winters normally on quiet inland waters, sheltered bays and (occasionally) on open ocean. Ha 7.
1.4 EARED GREBE Podiceps nigricollis [Grèbe à cou noir] L 31cm. Differs in N-br plumage from 1.3 by different head silhouette with diffuse streak behind eye. Winters normally on coastal waters and open ocean. Ha 2,6,13. V
1.5 HOARY-HEADED GREBE Podiocephalus poliocephalus [Grèbe argenté] L 29cm. From 1.3 and 1.4 by range. Rather pale and slim without chestnut tones in plumage (see Br plumage of 1.6). Note clean white cheeks in N-br plumage. Fresh and saline waters of open wetlands and estuaries. Occasionally on farm ponds. High, frog-like puRrreeh in series of 2–3. NZ 1,2,5.
1.6 NEW ZEALAND GREBE (or NZDabchick) Podiocephalus rufopectus [Grèbe de Nouvelle-Zélande] L 29cm. Br plumage unmistakable by chestnut neck and silvery streaked head. N-br plumage from similar 1.7 by more elongated jizz and lack of yellow at bill base. Small, shallow waters such as farm dams and sewage ponds. Low, raspy wró’wo’róugh. NZ 1,2. E.NZ
1.7 AUSTRALASIAN (or NZEastern Little) GREBE1 Tachybaptus novaehollandiae [Grèbe australasien] L 25cm. Smallest grebe. Yellow bill base and compact build diagnostic. Small water bodies like ponds, dams, quiet streams and swamps. Very high, twittering peepeepeep—. NZ 1,2.
1.8 GREAT CRESTED GREBE2 Podiceps cristatus [Grèbe huppé] L 50cm. Unmistakable by head pattern. Br and N-br plumage of NZ ssp similar. Imm. without ruff and with short crest. Juv. like all other grebes with striped face and neck sides. Open lakes. NZ 1,2. R
1.9 PACIFIC LOON Gavia pacifica [Plongeon du Pacifique] L 65cm. Bill normally held horizontally as compared to other loons, but more upturned than most grebes. In N-br plumage with very narrow white eyering and sharp contrast dark-white on neck. Back faintly barred in N-br plumage and with distinct white flash on rearmost part of flanks. Winters on open ocean and deep bays. Ha 2,6,17. V

Birds of New Zealand, Hawaii, Central and West Pacific

Подняться наверх