Partner in Flight Landbird Population Estimates Database, Version 2004 The population size estimates in this database correspond to those presented in the Partners in Flight North American Landbird Conservation Plan (Rich et al. 2004) and The Association of Fish and Wildlife Agencies Partners in Flight Landbird Reports (Rosenberg 2004) . These estimates were derived from Breeding Bird Survey d...
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Partner in Flight Landbird Population Estimates Database, Version 2004
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