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Species Highlight: Purple Martins on the move

Purple Martin. Andrew Dreelin/Macaulay Library. eBird S43316412.

This spring, BirdCast will again track migration from many angles. The interactive maps made with eBird data that we unveiled in 2017 will give us a bird’s-eye view of migration in progress. For example, Purple Martins on are the move (and have been for some time)! Check out the map, highlighting the arrivals of waves of Purple Martins (which are some of the earliest spring migrants into North America).

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