In the eyes of a female poison-dart frog, a red male isn't much brighter than a green one. This does not however mean that the mating behavior of the green and red variants of the same species of frog is exactly the same. ...
Plants & Animals
Nov 11, 2013
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0
We humans are fixated on big brains as a proxy for smarts. But headless animals called brittle stars have no brains at all and still manage to learn through experience, new research reveals.
Plants & Animals
Nov 30, 2023
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59
Unlike most mammals, mature male orangutans exhibit different facial characteristics: some develop large "cheek pads" on their faces; other males do not. A team of researchers studied the difference in reproductive success ...
Plants & Animals
Sep 1, 2015
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186
By the looks of it, size should be a big thing when it comes to seed bugs mating, but it only matters when more than one mating partner is around to choose from. That is what researchers Liam Dougherty and David Shuker of ...
Plants & Animals
Mar 3, 2016
4
265
Large ground squirrels called yellow-bellied marmots live much longer, on average, if they are less social and more isolated than if they are more social and less isolated, a UCLA-led long-term study has found.
Plants & Animals
Jan 17, 2018
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264
The evolution of larger brain size in offspring is associated with the amount of paternal care in mammals, whereas higher fertility in the mothers is correlated with additional care support from individuals that are not the ...
Evolution
May 30, 2019
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208
When honeybee colonies get larger, common sense suggests it would be noisier with more bees buzzing around.
Plants & Animals
Jan 23, 2018
0
162
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
2
1
Given a choice, male dyeing poison frogs snub empty pools in favor of ones in which their tiny tadpoles have to metamorphose into frogs in the company of larger, carnivorous ones of the same species. The frog fathers only ...
Plants & Animals
Jan 20, 2014
2
0
Ground squirrels have few natural defenses against predators, so they rely on an early warning system to identify threats and alert others to run for cover.
Plants & Animals
Oct 29, 2021
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