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 ...
Ecology
Oct 10, 2017
0
2
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 ...
Plants & Animals
Oct 3, 2017
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55
Even though it is known to be a cannibal, the mangrove rivulus or killifish of the Americas will never eat one of its own embryos, even if it is hungry. This slender amphibious fish can recognize its own kin, even if these ...
Ecology
Sep 5, 2017
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57
Imagine working for the harshest corporation in the world.
Plants & Animals
Jul 21, 2017
0
55
For many female mammals, mothers and maternal sisters dominate all aspects of an individual's social life. Emily Lynch of the University of Missouri, Columbia, in the US argues fathers might play a significant role, as well. ...
Ecology
Jul 18, 2017
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6
Bumble bees create foraging routes by using their experience to select nectar-rich, high-rewarding flowers. A study by Shohei Tsujimoto and Hiroshi Ishii of the University of Toyama in Japan now suggests that bees actually ...
Plants & Animals
Jun 29, 2017
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1
Bird and bumblebee species that nest late in the year are suffering more from the destruction of habitats, new research suggests.
Plants & Animals
Jun 12, 2017
1
6
Sheer aggression rather than pure muscle strength often gives hermit crabs living in broken shells the edge during a fight. Broken shells constrain crabs' activities because they are heavy and a large portion of them unusable. ...
Plants & Animals
May 4, 2017
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20
House finches that frequent North American cities and towns are better at solving new problems than their rural counterparts. They are able to solve new problems even when humans are around, says Meghan Cook of Arizona State ...
Plants & Animals
Apr 18, 2017
0
5
Having a social life comes at a cost for grey kangaroos, with 'mingling' mothers reducing the chances of survival for their offspring.
Plants & Animals
Apr 4, 2017
0
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