A new study presented citizen science data which supports that American Crows and Northwestern Crows almost exclusively (97 percent of the time) instigate any aggressive interactions with Common Ravens no matter where in North America. The data showed that aggression by crows was most frequent during the breeding season, most likely due to nest predation by ravens. This study not only gives insight into interspecies dynamics, but also how citizen science data can aid behavioral studies at large geographic scales.
https://www.sciencedaily.com/releases/2018/07/180704112052.htm
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July 04, 2018 11:06AM |
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