News tagged with small males
In spiders, size matters: Small males are more often meals
Biology /
Sep 10, 2008 |
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Female spiders are voracious predators and consume a wide range of prey, which sometimes includes their mates. A number of hypotheses have been proposed for why females eat males before or after mating. Researchers ...
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Armed beetles find a mate, whatever their size
Biology /
Mar 27, 2008 |
5 / 5 (2) |
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One species of armed beetle is proving that size doesn’t necessarily matter when it comes to finding a mate. The creature’s ‘pulling techniques’ will be revealed in the April edition of the Royal Entomological So ...
Not 1, but 2 kinds of males found in the invasive round goby
Jun 15, 2009 |
4.3 / 5 (3) |
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Scientists have found the existence of two types of males of a fiercely invasive fish spreading through the Great Lakes, which may provide answers as to how they rapidly reproduce.
High testosterone may mean shorter lives
Apr 13, 2006 |
2.8 / 5 (6) |
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A North Dakota State University study suggests males with higher levels of testosterone sire more children, but have shorter life spans.
Female choice benefits mothers more than offspring
Oct 22, 2009 |
3.7 / 5 (3) |
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The great diversity of male sexual traits, ranging from peacock's elaborate train to formidable genitalia of male seed beetles, is the result of female choice. But why do females choose among males? In a new study published ...
Researchers tie crest size to seabirds' suitability as a mate
Apr 16, 2009 |
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A newly released study by researchers at the University of Alaska Fairbanks offers evidence that in one breed of northern seabird, the size of males' feather crests may be more than simple ornamentation.
How does one sex grow larger than the other?
Biology /
Jan 29, 2007 |
3.7 / 5 (11) |
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Why are males larger than females in some animal species (such as most mammals), females larger than males in others (such as most insects), and why are the sexes alike in yet other species (such as several ...
Lightweight and long-legged males go the distance for sex
Biology /
Sep 05, 2008 |
4.2 / 5 (6) |
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Finding a mate can take considerable legwork as recently illustrated by the flightless and nocturnal Cook Strait giant weta Deinacrida rugosa. This cricket relative is found in New Zealand and is one of the ...
Small male chimps use politics, rather than aggression, to lead the pack
Biology /
Feb 02, 2009 |
4.8 / 5 (4) |
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With most mammals, the biggest and most aggressive male claims the alpha male role and gets his choice of food and females. But a new study from the University of Minnesota suggests that at least among chimpanzees, ...
Men and women may need different diets: research
Jul 16, 2008 |
3.9 / 5 (14) |
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Diet can strongly influence how long you live and your reproductive success, but now scientists have discovered that what works for males can be very different for females.
Researchers describe for first time how some bacteria kill males: They first invade the mother
Biology /
Sep 24, 2008 |
4.4 / 5 (9) |
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(PhysOrg.com) -- Many groups of bacteria are known as "male killers" -- they target and kill just the males of a host species. Now, a Cornell scientist has helped describe for the first time just how certain ...
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