Field Notes

JC Blake
137. by JC Blake on May 09, 2013 at 12:42 am

Purple Martin can Forge at Great heights I have even seen them has High has Black Swifts can go almost to the point even with Bins is Unnoticeable

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Citation: Personal Experience. I observe this regularly, highly confident.

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This following was copied from an online article posted by Matt Mendenhall on 25 Feb 2013 at the link at the end of this comment. " Birds of the eastern subis subspecies were tagged in far-flung breeding sites in Pennsylvania, New Jersey, Minnesota, Virginia, South Dakota, Oklahoma, and Texas. When their geolocators were retrieved, the data revealed a surprise: The birds share a broad, overlapping wintering area along the Amazon River in northern Brazil. In contrast, martins from the western arboricola subspecies appear to have a distinct wintering region in southeastern Brazil, approximately 1,800 miles (3,000 km) from the core wintering region of the eastern subspecies.

Fraser and Stutchbury of York University and 12 colleagues published the research in December 2012 in the journal Proceedings of the Royal Society B. --Matt Mendenhall, Managing Editor
http://cs.birdwatchingdaily.com/brd/b/field_of_view/archive/2013/02/25/10-huge-discoveries-uncovered-with-small-geolocators.aspx

by Shawneen Finnegan on March 03, 2013 at 01:14 pm

A link to the original paper/ PDF can be found at:
http://www.yorku.ca/bstutch/papers/Fraser%20et%20al.%202012%20Purple%20Martin%20Migratory%20Connectivity.pdf

by Shawneen Finnegan on March 03, 2013 at 01:16 pm
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Recent Activity

Activity Date & Time
Steven Mauvais added Purple Martin to their Tualatin River National Wildlife Refuge smart list 9/03/2013 at 1:09PM
JC Blake added a note to Purple Martin Notes 5/09/2013 at 12:42AM