Saturday, May 24, 2014

Chestnut-sided Warbler

Chestnut-sided Warblers are now common migrants in the Northfield area. Surprisingly, in Audubon's time, naturalists almost never reported seeing this species. The populations of Chestnut-sided Warblers have greatly increased because they breed in scrubby secondary growth--the habitat that often results from regenerating logging clear cuts or from fallow fields in abandoned farmland. Byers et al. (2013) write, "the Chestnut-sided Warbler is one of the few Neotropical migrants that has benefited dramatically from human activities on the North American continent." (See also my previous post on this species.)

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