Avian ecologists combine bird survey data to ID vulnerable boreal species

Continent-wide bird surveys play an important role in conservation, says avian ecologist Joel Ralston at the University of Massachusetts Amherst, but they can miss rare or isolated species whose habitat is off the beaten path, such as at high elevation or in a dense bog. Now Ralston and colleagues report for the first time how combining data from several local point counts offers a new picture of how birds in hard-to-reach habitats are faring.

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