A breeding bird survey monitors the status and trends of bird populations. Data from the survey are an important source for the range maps found in field guides. The North American Breeding Bird Survey is a joint project of the United States Geological Survey (USGS) and the Canadian Wildlife Service. The UK Breeding Bird Survey is administered by the British Trust for Ornithology, the Joint Nature Conservation Committee, and the Royal Society for the Protection of Birds.
The results of the BBS are valuable in evaluating the increasing and decreasing range of bird population which can be a key point to bird conservation. The BBS was designed to provide a continent-wide perspective of population change.
Other articles related to "breeding bird survey, breeding birds, surveys, survey":
... The North American Breeding Bird Survey was launched in 1966 after the concept of a continental monitoring program for all breeding birds had been developed by ... In the first year of its existence there were nearly 600 surveys conducted in the east part of the Mississippi River ... One year later, in 1967, the survey spread to the Great Plains states and by 1968 almost 2000 routes have had been established across southern Canada and 48 American states ...
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