All the buzz—bigger honeybee colonies have quieter combs
When honeybee colonies get larger, common sense suggests it would be noisier with more bees buzzing around.
Plants & Animals
Jan 23, 2018
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162
Behavioral Ecology and Sociobiology
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 ...
Plants & Animals
Oct 3, 2017
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55
New study shows cannibalistic fish refrain from eating their own embryos
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
Living at home the best survival strategy for young kangaroos
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
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76
Caterpillars found to use vibrations to attract other caterpillars
(Phys.org)—A small team of researchers with members from institutions in Canada and Brazil has found that one species of caterpillar uses parts of its body to create vibrational noises that attract others of its kind. In ...
Fish found to communicate with one another using urine
(Phys.org)—A trio of researchers with the University of Bern in Switzerland has found that at least one species of fish communicates with others of its kind using chemicals in its urine. In their paper published in the ...
Male pipefish pregnancy, it's complicated
In the upside-down world of the pipefish, sexual selection appears to work in reverse, with flashy females battling for males who bear the pregnancy and carry their young to term in their brood pouch. But new research shows ...
Plants & Animals
Jan 4, 2017
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26
Amazonian frog has its own ant repellent
Special chemicals covering the skin of a tiny yellow-striped Amazonian frog provide a protective shield that wards off leaf-cutting ants allowing it to live comfortably among them. "It helps the frog blend in, because it ...
Plants & Animals
Oct 20, 2016
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75
Woodpecker drumming signals wimp or warrior
Animal behavior researchers at Wake Forest University have found that the highly territorial downy woodpecker interprets drumming intensity from adversaries to figure out who is or isn't a threat.
Plants & Animals
Mar 4, 2016
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147
Researchers investigate why seed bugs have evolved extremely long male genitals
By the looks of it, size should be a big thing when it comes to seed bugs mating, but it only matters when more than one mating partner is around to choose from. That is what researchers Liam Dougherty and David Shuker of ...
Plants & Animals
Mar 3, 2016
4
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