Birds learn from each other's 'disgust,' enabling insects to evolve bright colors
Many animals have evolved to stand out. Bright colours are easy to spot, but they warn predators off by signalling toxicity or foul taste.
Many animals have evolved to stand out. Bright colours are easy to spot, but they warn predators off by signalling toxicity or foul taste.
Evolution
Dec 18, 2017
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307
Camouflaged creatures can perform remarkable disappearing acts but new research shows that predators can learn to read camouflage. The study, which used human subjects as predators searching for hidden moths in computer games, ...
Plants & Animals
Sep 10, 2013
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(Phys.org) -- Nature teems with examples of evolutionary arms races between predators and prey, with the predator species gradually evolving a new mode of attack for each defensive adaptation that arises in the prey species.
Plants & Animals
Apr 17, 2012
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Researchers from the Universities of Turku and Helsinki, Finland, have discovered the prey species of adult dragonflies and damselflies, as modern laboratory techniques enabled the study of the insects' diet. In the study, ...
Plants & Animals
Oct 4, 2017
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246
A famous mathematical formula which shook the world of ecology 40 years ago has been revisited and refined by two University of Chicago researchers in the current issue of Nature.
Ecology
Feb 19, 2012
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In modern ecology, the removal or addition of a predator to an ecosystem can produce dramatic changes in the population of prey species. For the first time, scientists have observed the same dynamics in the fossil record, ...
Evolution
May 2, 2011
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In the first reintroduction of western quolls to a fenced conservation reserve, researchers from UNSW and Arid Recovery watched closely to measure their impacts on local prey species. While predation by quolls and the impacts ...
Plants & Animals
Jan 31, 2024
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20
(Phys.org) —Contemporary ecological theory assumes that differently sized individuals in a population are equally efficient in their use of food resources. Still this is only true in a very exceptional case. It is much ...
Ecology
Aug 6, 2013
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A pair of researchers at the University of California's, Department of Ecology and Evolutionary Biology, has found that the slow swimming lionfish is able to catch and eat faster prey by using persistence. In their paper ...
Researchers in New York City have analyzed the DNA of urban coyotes and discovered that the coyotes eat a variety of native prey species and supplement this diet with human-sourced food items. The study is published in PeerJ.
Plants & Animals
Sep 28, 2022
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