PhysOrg Posted February 12, 2020 Share Posted February 12, 2020 Birds of a feather don't always flock together: Peer into a forest canopy, and you will likely spot multiple bird species flying and feeding together, a phenomenon most spectacular in the Amazon where 50 species may travel as a unit. But are birds in these mixed flocks cooperating with one another or competing? View the full article Link to comment Share on other sites More sharing options...
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