Butterflies hedge their bets when times get tough

Understanding how organisms deal with an uncertain future may help identify which species are most vulnerable to climate change and which are best at managing the risk. In a paper published recently in the journal Evolution, ...

Billions of cicadas may be coming soon to trees near you

Abig event in the insect world is approaching. Starting sometime in April or May, depending on latitude, one of the largest broods of 17-year cicadas will emerge from underground in a dozen states, from New York west to Illinois ...

Crocodile evolution rebooted by Ice Age glaciations

Crocodiles are resilient animals from a lineage that has survived for over 200 million years. Skilled swimmers, crocodiles can travel long distances and live in freshwater to marine environments. But they can't roam far overland. ...

Cheating birds mimic host nestlings to deceive foster parents

The common cuckoo is known for its deceitful nesting behavior—by laying eggs in the nests of other bird species, it fools host parents into rearing cuckoo chicks alongside their own. While common cuckoos mimic their host's ...

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