(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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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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(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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Young Malagasy black-and-white ruffed lemurs are more likely to survive when they are raised in communal crèches or "nursery nests" in which their mothers share the draining responsibility of feeding and caring for their ...
Ecology
Aug 6, 2013
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The Black Widow spider gets its name from the popular belief that female spiders eat their male suitors after mating. However, a new study has shown that the tendency to consume a potential mate is also true of some types ...
Plants & Animals
May 6, 2013
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Some species of birds reproduce not by rearing their own young, but by handing that task on to adults of other species. Known as brood parasitism, this habit has been most thoroughly researched in the cuckoo. Previous research ...
Ecology
Apr 8, 2013
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