It’s still not known exactly how female birds produce such colourful and intricately-patterned eggs. But we do have some theories about the survival advantage this provides.
A leap and a plunge into the snow could earn this arctic fox its supper.
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By eliminating the less fit individuals over time, predation can drive the population to increasing fitness in terms of survival and reproductive success.
Tim Caro, University of California, Davis and Martin How, University of Bristol
How the zebra got its stripes is not only a just-so story, but an object of scientific inquiry. New research suggests that stripes help zebras evade biting flies and the deadly diseases they carry.
A young shore crab displaying varied colouring.
Aleksey Stemmer/Shutterstock
Thomas Cronin, University of Maryland, Baltimore County
We’re used to thinking of our eyes detecting light as the foundation of our visual system. But what’s going on in other cells throughout the body that can detect light, too?
Puff adders can become motionless and scentless to avoid detection by those preying on them.
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Last week, a new frog capable of shape-shifting, was discovered. Though many other animals use camouflage, there are only a few other species known which can actually shift their shape.
The animal kingdom is full of incredible examples of camouflage, with animals resembling objects found in their environment such as sticks or leaves, or displaying colour patterns that permit them to blend…