Gotta bounce: Some spiders catapult away after sex to avoid death
Sometimes there are pretty valid reasons for leaving right after sex.
Sometimes there are pretty valid reasons for leaving right after sex.
Plants & Animals
Apr 30, 2022
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55
After males of the orb-weaving spider Philoponella prominens mate with a female, they quickly launch themselves away, researchers report on April 25 in the journal Current Biology. Using a mechanism that hadn't been described ...
Plants & Animals
Apr 25, 2022
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408
From elaborate dances to stunning plumage displays to dramatic head-butting, male animals have an array of ways to distinguish themselves from competitors while wooing a potential mate. But it's not their only chance to prove ...
Plants & Animals
Mar 22, 2022
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267
New research from the University of Massachusetts Amherst uncovers the negative link between flightworthiness and fight-worthiness in birds. Evolutionary pressure demanded that birds could either fly or arm themselves—but ...
Plants & Animals
Feb 24, 2022
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156
Male animals are subject to stronger selection pressures than females, which may allow populations to adapt to environmental change more efficiently, according to a report published in the open-access journal eLife.
Evolution
Nov 30, 2021
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54
Female zebra finches are choosy but flexible when it comes to finding a mate, allowing them to avoid the fitness costs of being too selective when competition for males is high, report Wolfgang Forstmeier at the Max Planck ...
Plants & Animals
Nov 4, 2021
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288
In most animals and plants, the life cycle of an individual begins with fertilization, when egg and sperm fuse to combine their genetic material. Together, they form the zygote, the first cell of an embryo that will eventually ...
Cell & Microbiology
Sep 24, 2021
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45
If you had to describe a male peacock's tail feathers, you might pick words like "dazzling" or "beautiful." You probably wouldn't go with "stealthy," "aerodynamic," or "subtle." Peacock tails are just one example of how evolution ...
Plants & Animals
Sep 16, 2021
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126
We have discovered previously unappreciated differences between some male and female gibbons and siamang that could give us new clues about how social behavior affected primate evolution.
Plants & Animals
Sep 8, 2021
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5
Much like in human society, female hummingbirds have taken it into their own hands to avoid harassment. By watching white-necked Jacobin hummingbirds in Panama, researchers discovered that over a quarter of females have the ...
Plants & Animals
Aug 26, 2021
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682