Rails: A Guide to Rails, Crakes, Gallinules and Coots of the World
A&C Black, 30 ago 2010 - 600 pagine
This is a guide to rails, a relatively homogenous family of birds spread throughout the world. Most species are solitary and somewhat secretive, and therefore high on the wanted lists of many birders, but the moorhens and coots are generally common and familiar birds of wetlands. A number of species are flightless and confined to small islands, and several are extinct as a result of man and introduced predators.
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LAYOUT AND SCOPE OF THE BOOK
PHYLOGENY AND CLASSIFICATION
MORPHOLOGY AND FLIGHTLESSNESS
FOOD AND FORAGING
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Swifts: a guide to the swifts and treeswifts of the world
Barry Taylor,Phil Chantler,Ber Van Perlo,Gerald Driessens
Visualizzazione frammento - 2000
adult Africa areas barred white belly bill bill black birds Black Crake blackish blackish-brown breeding season buff Buff-banded Rail centre chestnut chicks chin and throat colour Common Moorhen Crake Cramp & Simmons culmen culmen to base dark brown darker dense DISTRIBuTION AND STATuS Downy young dull duller ear-coverts edges eggs feathers female flanks flightless Flufftail foraging foreneck forest Gallinule grass grassland grey habitat hindneck Immature incubating bird Incubation Iris islands Juvenile legs and feet litt lower mandible mantle Marchant & Higgins marshes migration Moorhen moult nest nominate non-breeding numbers occurs olive-brown pairs pale paler plumage Porzana predators Purple Swamphen race Rail Rallus recorded rectrices Red-chested Flufftail remiges Ripley rufous rump scapulars Sexes alike sides of head sides of neck sometimes Spotted Crake streaks supercilium tail tarsus territorial tertials Text and map tinged Typha underparts undertail-coverts upper upperparts upperwing-coverts vegetation wetlands white bars whitish wings winter