During the 2009-2010 season, 520 FeederWatch participants submitted additional information about which sexes of each species were being seen at their feeders, contributing to the “gender gap” survey.
Showing posts with label gender gap at bird feeder. Show all posts
Showing posts with label gender gap at bird feeder. Show all posts
Thursday, March 31, 2011
Gender Gap At The Bird Feeder?
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