British Birds of Prey (Collins New Naturalist Library, by Leslie H. Brown
By Leslie H. Brown
Leslie Brown's account of our 15 resident, 7 vagrant and a pair of migrant species of eagles, falcons, hawks and vultures in Britain offers an exceptional mass of medical information regarding our birds of prey in a fashion as appealing to the overall reader as to the devoted ornithologist.
The diurnal raptors are one of the such a lot arresting and dramatic of British chicken species, from the excellent and titanic golden eagle of the Highlands to the extra common yet both magnificent peregrine falcon and the common and adaptable kestrel of motorways and concrete ledges.
Leslie Brown's account of our 15 resident, 7 vagrant and a couple of migrant species of eagles, falcons, hawks and vultures in Britain provides a good mass of medical information regarding those birds in a way as appealing to the overall reader as to the devoted ornithologist. all the resident species is mentioned intimately - its prestige, prior and current; its feeding and searching behaviour; its existence historical past; its breeding behaviour; migration and the threats to its survival. Then the biology of the birds of prey, adjustments of their habitat and standing, their nutrition conduct, breeding behaviour, their territories and populations are tested intensive in separate chapters.
An stated international authority on birds of prey - co-author with Dean Amadon of Eagles, Hawks and Falcons of the area, and writer of many different books in addition to - Leslie Brown is immensely enthusiastic; and the numerous tables, maps, figures and bibliography are all indicative of the thoroughness of his research.
Also illustrated with forty outstanding black and white pictures.
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Additional info for British Birds of Prey (Collins New Naturalist Library, Volume 60)
This and young spend the rest of form is generally found the year at sea. in the Paciﬁc Ocean. Migrant 17–20 ½ in (43–52 cm) 20–23 oz (575–650 g) No nest; single egg laid on rock or grass, on exposed ledges, cliff slopes 1 egg; 1 brood Least Concern Flocks/colonies ALBATROSSES, PETRELS, AND SHEARWATERS | PROCELLARIIDAE Land predator Feeding on land as well as at sea, the southern giant petrel has two color forms. The more common form has mottled gray plumage. 8–5 kg) Shallow depression in ground, bordered with stone and dry vegetation 1 egg; 1 brood Least Concern Colonies 59 tubular nostrils Macronectes giganteus SOUTHERN GIANT PETREL Large and aggressive, the southern giant petrel is a highly opportunistic seabird with a lifestyle that is partly predatory and partly scavenging.
The sitting bird guides its partner by making a strange wailing sound—even if thousands of birds may be calling, each one manages to ﬁnd its mate. It takes 10 weeks for the chick to ﬂedge, nourished by supplies of regurgitated oily food. Once the chicks can ﬂy, the birds migrate south until the following year. 62 GREBES Relatively few in terms of species, grebes are highly distinctive, ﬁsh-eating birds found all over the world. Propelled by their toes and waterproofed by lustrous feathers, they are widespread inhabitants of calm lakes and waterways.
SIMILAR SPECIES ash-gray upperparts Gray-headed albatross Black bill with yellow ridges; white crescent behind eye gray-black upperparts Laysan albatross Black patch around eye; pink bill with dark tip Thalassarche melanophris BLACK-BROWED ALBATROSS Named for its charcoal-colored “eyebrows,” the black-browed albatross is an inhabitant of the southern oceans, soaring over windswept seas as far south as Antarctica. 142). However, unlike a gull, this albatross spends most of its time on the wing, often roaming hundreds of miles from the coast in search of food.