Why do guppies jump? The answer is evolutionary (w/ video)

(Phys.org) —If you've owned a pet guppy, you know they often jump out of their tanks. Many a child has asked why the guppy jumped; many a parent has been stumped for an answer. Now a study by University of Maryland biologist ...

Fish become bolder and more gluttonous from drug residue

Anxiety-moderating drugs that reach waterways via wastewater create fearless and asocial fish that eat more quickly than normal. These behavioral changes can have serious ecological consequences. This is shown by Umeå University ...

Probing question: Can games be more than child's play?

Remember backyard games of Red Rover, Mother May I, and Red Light Green Light? How about playing Monopoly or Chutes and Ladders? Games like these figure into the pleasant childhood memories of many, but can games serve a ...

Are animal traits the result of behavioral epigenetics?

A plant that is unremarkable in one environment becomes an invasive species in another, pushing through house foundations and sprouting up through roads. A house sparrow that's a perfectly charming resident of the English ...

Behavioral responses to a changing world

(Phys.org) -- Male beetles in Western Australia are mating with beer bottles in response to environmental change caused by human activity. A new book examines why, and the impacts on biodiversity.

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