Ask Max: A look at bird predation on fish

Researchers were interested in how often predators, namely pelicans, were eating two rare sucker species. Since many of the suckers had tags, researchers tried to get an idea of how many suckers the pelicans were eating by scanning for tags at the pelican colony. That’s right, the researchers went to where all the pelicans defecated and scanned around for the tags that were once in the suckers.

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