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By admin on 3/30/2012 1:11 PM

Six years ago in late August, Rich Levad, Rob Sparks, Jason Beason and Ken Behrens hiked through spruce fir forest to a spot just above timberline where a Black Swift nest clung to a wet, rocky outcrop. The outing was part of Rocky Mountain Bird Observatory’s effort to collect baseline data on this little-known species. When no swifts were seen that evening, the scientists wondered if they had already started migrating – and where did they go?

By admin on 3/3/2012 10:59 AM

Black Swift with geolocatorThe last bird that breeds in the U.S. and Canada with an unknown winter destination has finally given up its secret. After years of research – and with some luck – three Colorado researchers have learned that Black Swifts travel more than 4,000 miles to spend the winter in Brazil. The destination came as a surprise to the researchers since Black Swifts have not been documented in Brazil.

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