Abstract:Much attention has been given to the topic of bird phenology in response to climate change. While strong evidence supports a general pattern of advancement in spring migrants' arrival dates with warming temperatures, the mechanisms underlying these changes are not clearly understood. We summarize the spring arrival of the Mountain Bluebird (Sialia currucoides) in central alberta from 58 years of data and examine the influence of temperature and snow cover on the patterns of arrival. We hypothesized that a sign… Show more
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