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Life & Evolution

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male cockatoo

ROCK ON  A male cockatoo (right) woos a female with vocal calls, blushing red cheek feathers, head crest erection and rhythmic drum performances in trees, using a self-fashioned drumstick.  

hawk moth

HIDDEN CONFLICT  How much a flower throat curves while narrowing to its base turns out to be important — but in opposing ways — to a pollinating hawk moth and the plant itself.

wildebeests crossing Mara river

A small percentage of wildebeests drown as they try to cross the Mara River. But their carcasses can provide resources to the river ecosystem for years, a new study finds.

Life & Evolution

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