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Alfredo Barrera

AlfredoBarrera

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July 2016


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Hybridization in Andean warblers: how color, song, and genes interact in avian hybrid zones

By Laura Céspedes Arias

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Eating tough stuff with floppy jaws - how do freshwater rays eat crabs, insects, and mollusks?

By Matt Kolmann

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$3,760
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7
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