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Birds fly into the net, becoming entangled, and are extracted by researchers. Birds can then be identified, measured, weighed, and marked with a small aluminum band bearing a unique number. The number is reported to a central database so that information about the bird can be updated if the bird is ever recaptured somewhere else.
Deep cup nest of the great reed-warbler. A bird nest is the spot in which a bird lays and incubates its eggs and raises its young. Although the term popularly refers to a specific structure made by the bird itself—such as the grassy cup nest of the American robin or Eurasian blackbird, or the elaborately woven hanging nest of the Montezuma oropendola or the village weaver—that is too ...
Print/export Download as PDF; Printable version; ... A bird nest is a place where birds lay and hatch eggs. Bird's nest may also refer to: ...
Sociable weaver nests form a habitat that is occupied by animals of many different taxa, including several other bird species, which use the nest in different ways, such as for breeding (as with the paradise finch and rosy-faced lovebird), roosting (as with the familiar chat and ashy tit), or as a platform for the nests of larger birds (such as ...
Authentic bird's-nest soup is made from nests of some species of swiftlet, mainly the edible-nest (or white-nest) swiftlet (Aerodramus fuciphagus) and the black-nest swiftlet. Instead of twigs, feathers and straw, these swiftlets make their nest only from strands of their gummy saliva, which hardens when exposed to air.
Most bird species typically build one nest, whereas grey fantails commonly build more than one nest before egg-laying, and seven nests have been recorded as the highest number in a breeding season. In a recent study, there is a hypothesis explaining nest abandonment in this species. Abandoned nests could be used for confusing predators.
Published in 1980 by Rigby of Adelaide, South Australia, in its series of field guides to Australian natural history, the book is 190 mm high by 130 mm wide.It consists of three parts; Part One contains general information; Part Two contains separate keys to the identification of nests and eggs, as well as the colour plates that illustrate them; Part Three, comprising three-quarters of the ...