Behavioral Ecology and Sociobiology

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Bats and bugs do battle in the tropics

n the tropical rainforests of Panama, Dartmouth's Hannah ter Hofstede is witness to what Charles Darwin called a "struggle for existence." She studies a competition for survival that pits the cricket-like katydids rubbing ...

dateOct 03, 2017 in Plants & Animals
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Do male fish prefer them big and colourful?

Male black-finned goodeid or mexcalpique fish know what they want when they pick a female to mate with; they prefer them big-bellied and as orange as possible. Interestingly, females displaying these traits are the ones most ...

dateOct 10, 2017 in Ecology
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Mountain birds beat the odds

Mountain chickadees (Poecile gambeli), a North American bird in the tit family, store away food for later occasions. These birds are found at different elevations where varying winter conditions are experienced. Previous ...

dateFeb 25, 2015 in Plants & Animals
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A beggars banquet—life in a shared nest

It's not all bad for crow chicks who have to share their nest with an uninvited pushy guest such as a cuckoo youngster. For one, they can sit back and wait for food to arrive while the cuckoo chick does all the begging for ...

dateApr 15, 2015 in Plants & Animals
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