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Meet the Animals That Get Ahead By Cheating

Mutually beneficial relationships, or mutualism, is common in nature. But sometimes, animals cheat. These scientists are trying to figure out how they keep getting away with it

Researcher Karen Wang follows bees through a field near Crested Butte, Colorado, documenting their activities.Courtesy of Karen Wang

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A bumblebee “robs” from a flower, extracting the plant’s nectar without providing any pollination.Christopher Wren

We weave along a path beaten between Rocky Mountain wildflowers that bloom and bobble over our heads, chasing the elusive Orange 78.

She disappears into a cloud of white Sierra fumewort flowers. Then Yellow 54 sails into view and we rush to follow, angling through the surrounding green curtains to keep up. She makes a beeline for the Mertensia ciliate, or mountain bluebell. And it truly is a beeline — Yellow 54 is a bumblebee with a yellow dot and number superglued to her back. She was trapped, tagged, registered and DNA-sampled a few days earlier for research purposes.

Ecology undergraduate researcher Karen Wang drops her fine-mesh bee net, whips out a small recorder and leans in to observe Yellow 54 climbing into the bluebell’s long tubular blooms. “One,” she says of the bee’s quick ...

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