As The Crow Flies

Crow Time - Paintings by Gay Seydlitz
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COLLEGIATE CROWS
A story of 10,000 crows: the nightly migration to UW Bothell campus

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"If you’ve ever looked towards the evening sky at University of Washington’s Bothell campus, you’ve probably witnessed the dark river of crows swarming above; and if you haven’t seen it, you’ve certainly heard it. Every night, 10 to 15 thousand crows make their nightly migration to the campus for a giant crow sleepover."

"According to John Marzluff, professor at UW School of Environmental and Forest Sciences, this nightly migration to a roost is a property of many corvids — the family of birds that includes crows, ravens, rooks, jackdaws, jays, magpies, treepies, choughs and nutcrackers. In particular, crows and ravens embark on these nightly journeys."

"This spectacular phenomenon is a global one that extends far beyond the Bothell campus, all the way to Europe and farther. But why do they all come together like this, and why are there so many at Bothell? According to Marzluff, the answer is actually quite simple: safety." (READ MORE)
 

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