Fish camouflage sends mixed messages to aggro males
Colour-changing fish have only one skin, but they use it to communicate social status, attract mates, avoid predators and more. So what happens when those functions collide?
Colour-changing fish have only one skin, but they use it to communicate social status, attract mates, avoid predators and more. So what happens when those functions collide?
Plants & Animals
Aug 15, 2016
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On January 4 this year, a three-meter saltwater crocodile heaved itself out of the water and up the beach. Nothing unusual about that—except this croc was on Legian Beach, one of Bali's most popular spots. The emaciated ...
Plants & Animals
Oct 17, 2023
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African cichlids enjoy an alien, exotic courtship routine. A dominant male attracts choice females to his territory by dancing seductively. If the female is sufficiently impressed, she lays her eggs and immediately collects ...
Plants & Animals
Jun 13, 2012
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Dominant male pheasants learn faster than their downtrodden rivals, new research shows.
Plants & Animals
Feb 14, 2018
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(Phys.org)—An Ohio University anthropologist reports the first observation of dominance relationships among adolescent male chimpanzees, which he attributes to the composition of their community.
Plants & Animals
Sep 20, 2012
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New research from Tufts University scientists shows that feral cats that undergo a vasectomy or hysterectomy could reduce a feral colony's numbers more effectively than the traditional approach of neutering. This may be because ...
Ecology
Aug 15, 2013
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A recent review of published studies in non-human mammals examines "sexual disturbance," or male behavior towards a female around mating that can be costly for the female—for example, that might inflict physical harm or ...
Plants & Animals
Nov 18, 2020
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An international team of researchers from the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, conducted behavioral observations and collected urine samples for cortisol analysis of male chimpanzees ...
Plants & Animals
Apr 5, 2019
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Male domestic fowl are less aggressive towards related males than to unrelated males when competing for copulations, according to a new study from Linköping University in Sweden. This finding, which has been published in ...
Plants & Animals
Mar 30, 2017
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"Survival of the fittest" usually means that animals put their own needs first, but occasionally it pays to work together. A new study in The Auk: Ornithological Advances describes an unusual example of cooperative breeding ...
Plants & Animals
Sep 7, 2016
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