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Alfred Marshall Bailey (far left) in 1927. Abyssinian Expedition. Alfred Marshall Bailey (February 18, 1894 – February 25, 1978) was an American ornithologist who was associated with the Denver Museum of Natural History (now the Denver Museum of Nature and Science) in Colorado for most of his working life.
The piping plover (Charadrius melodus) is a small sand-colored, sparrow-sized shorebird that nests and feeds along coastal sand and gravel beaches in North America. The adult has yellow-orange-red legs, a black band across the forehead from eye to eye, and a black stripe running along the breast line.
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 ...
Backyard birds may seem ordinary, but there's more than meets the eye. Our database shows you the top 10 birds in different areas. ... This transformation helps American goldfinches attract mates ...
The Bird Island Nature Reserve in Lambert's Bay, Western Cape, South Africa. A bird colony is a large congregation of individuals of one or more species of bird that nest or roost in proximity at a particular location. Many kinds of birds are known to congregate in groups of varying size; a congregation of nesting birds is called a breeding colony.
Tall hackberry trees provide nesting sites for great blue herons, great egrets, black-crowned night-herons, double-crested cormorants and more. West Sister Island Sunset Birding Cruise fundraising ...
During nest construction, some species seek out plant matter from plants with parasite-reducing toxins to improve chick survival, [234] and feathers are often used for nest insulation. [233] Some bird species have no nests; the cliff-nesting common guillemot lays its eggs on bare rock, and male emperor penguins keep eggs between their body and ...
Scientists can use fecal sacs to learn a number of things about individual birds. Examination of the contents of the sac can reveal details of the nestling's diet, [14] [15] and can indicate what contaminants the young bird has been exposed to. [16] The presence of an adult bird carrying a fecal sac is used in bird censuses as an indication of ...