Redder ladybirds more deadly, say scientists

A ladybird's colour indicates how well-fed and how toxic it is, according to an international team of scientists. Research led by the Universities of Exeter and Liverpool directly shows that differences between animals' warning ...

Look at me! Forest-dwelling anoles 'glow' to attract attention

See and be seen. In the elaborate game of seeking and attracting a mate, male anole lizards have a special trick—they grab attention by perching on a tree limb, bobbing their heads up and down, and extending a colorful ...

How bumblebees tackle the traveling salesman problem

It is a mathematical puzzle which has vexed academics and travelling salesmen alike, but new research from Queen Mary, University of London's School of Biological and Chemical Sciences, reveals how bumblebees effectively ...

Scientists uncover an unhealthy herds hypothesis

Biologists worldwide subscribe to the healthy herds hypothesis, the idea that predators can keep packs of prey healthy by removing the weak and the sick. This reduces the chance disease will wipe out the whole herd, but could ...

Aussie meat ants may be invasive cane toad's Achilles' heel

Ecologists in Australia have discovered that cane toads are far more susceptible to being killed and eaten by meat ants than native frogs. Their research - published in the British Ecological Society's journal Functional ...

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