(PhysOrg.com) -- Some male Mexican molly fish sport a structure like a mustache on their top lips, which scientists have now discovered are attractive to female mollies and may represent a sexually selected trait.
Emily loves Justin - Stop global warming - Two more weeks till I graduate!: The exchange of information in public toilets is widespread. It also occurs in the world of white-footed sportive lemurs. Only instead of writing ...
Plants & Animals
Oct 16, 2014
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For territorial animals, such as beavers, "owning" a territory ensures access to food, mates and nest sites. Defending that territory can involve fights which cause injury or death. How does an animal decide whether to take ...
Plants & Animals
Apr 9, 2013
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Male sparrows are capable of fighting to the death. But a new study shows that they often wave their wings wildly first in an attempt to avoid a dangerous brawl.
Plants & Animals
Jan 29, 2013
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A new study by a team of researchers shows that for zebra finches, bonding trumps sex. Post-Doc fellow Julie Elie of the University of California and her team describe in the journal Behavioural Ecology and Sociobiology, ...
When their razor-sharp mandibles wear out, leaf-cutter ants change jobs, remaining productive while letting their more efficient sisters take over cutting, say researchers from two Oregon universities.
Plants & Animals
Dec 9, 2010
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Monash University researchers have discovered that male Australian desert goby fish are surprisingly strategic when it comes to courtship, adapting their tactics depending on the frequency of their contact with females.
Plants & Animals
Nov 10, 2010
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Scientists at Harvard University have sketched a new map of the "evolutionary labyrinth" species must traverse to reach eusociality, the rare but spectacularly successful social structure where individuals cooperate to raise ...
Evolution
Aug 25, 2010
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(PhysOrg.com) -- Ever wondered how cockroaches seem to know the best place to grab a meal? New research at Queen Mary, University of London suggests that, just like humans, they share their local knowledge of the best food ...
Plants & Animals
Jun 4, 2010
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(PhysOrg.com) -- Female seed beetles are known for their promiscuity, a surprising fact given that the males of the species have dangerously sharp spikes on their sex organs. Now a U of T Mississauga team led by an undergraduate ...
Plants & Animals
Mar 5, 2009
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