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Once a pair of birds has mated, both members of the pair dig the nest; a burrow in a river bank, a hollow in a large branch or a termite mound are prime examples of nest location. [16] The female lays a clutch of 3 to 6 glossy white, rounded eggs, measuring 25 mm × 22 mm (0.98 in × 0.87 in), which are incubated for 17–18 days by both ...
The village is one of the 21 breeding sites of those birds in India. [ 1 ] [ 2 ] [ 3 ] The uniqueness of Kokkarebellur lies in the long-established bond between the spot-billed pelicans and the villagers who have adopted this bird as their local heritage, since they consider the birds as harbingers of good luck and prosperity to the village.
Conservationists use breeding programs to try to help the recovery of endangered species by preserving the existing gene pool and preventing inbreeding. There also can be breeding programs for plants. For instance, a winery owner, seeking to find a better tasting wine, could design a breeding program so that only the vines whose grapes make the ...
The month of January was a good month for birding — so good that I was able to achieve a little personal milestone birding goal! That was to identify 100 bird species during the month of January.
Information about a species' reproductive biology may be critical to the success of a captive breeding program. [2] [3] [4] In some cases a captive breeding program can save a species from extinction, [5] but for success, breeders must consider many factors—including genetic, ecological, behavioral, and ethical issues. Most successful ...
The BTO/JNCC/RSPB Breeding Bird Survey (BBS) is a national project aimed at keeping track of changes in the breeding populations of widespread bird species in the UK. [3] The program started in 1992, and has been successfully used by Governments and different non-Governmental organizations for bird conservation purposes since 1994.
Four apostlebirds (Struthidea cinerea) of a cooperative breeding group.Helpers at the nest is a term used in behavioural ecology and evolutionary biology to describe a social structure in which juveniles and sexually mature adolescents of either one or both sexes remain in association with their parents and help them raise subsequent broods or litters, instead of dispersing and beginning to ...
The village weaver is a stocky, 15–17 cm (5.9–6.7 in) bird with a strong conical bill and dark reddish eyes. In the northern part of its range, the breeding male has a black head edged by chestnut (typically most distinct on the nape and chest).