Among many species, breeding preferences and tactics can differ among males and females. When aggressive behavior by males toward unreceptive females goes awry, it may result in failure to reproduce, and in some cases, fatality ...
(PhysOrg.com) -- Professor Roger Bland is listening in on one of the noisier creatures in San Francisco Bay, using physics to analyze the mating song of the toadfish. While fish don't have vocal chords, they have innovative ...
Plants & Animals
Mar 25, 2009
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0
For many male African cichlid fish, the best way to attract a mate is to build a really nice pit or sand castle on a lake bottom.
Evolution
Mar 19, 2015
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42
(Phys.org) —A team made up of researchers from several universities in the U.S. has found that male brown anoles (Anolis sagrei)—a type of lizard, dramatically reduced its head bobbing mating dance when predators were ...
Sexually transmitted diseases are widespread among animals and humans. Humans, however, know a multitude of protective and hygienic measures to protect themselves from infection. An international research team led by scientists ...
Plants & Animals
Dec 4, 2019
5
184
(Phys.org) —Behavioral biologists at the University of Nebraska have found that male dark fishing spiders become immobile immediately after mating and die a short time later. In their paper published in the journal Biology ...
Mate competition by males over females is common in many animal species. During mating season male testosterone levels rise, resulting in an increase in aggressive behavior and masculine features. Male bonobos, however, invest ...
Plants & Animals
Jan 23, 2012
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(PhysOrg.com) -- New research on lizards supports an old idea about how species can originate. Morphologically distinct types are often found within species, and biologists have speculated that these "morphs" could be the ...
Evolution
Feb 18, 2010
2
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Robot squirrels from the University of California, Davis, are going into rattlesnake country near San Jose, continuing a research project on the interaction between squirrels and rattlesnakes.
Robotics
Apr 3, 2012
2
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(PhysOrg.com) -- In a move that females of any species would likely recognize, the small copper female butterfly has evolved a strategy of dissuading amorous males that is both effective and energy conserving; she simply ...
