The secret behind male ornaments

The longer the sword of the male (bottom), the greater the chances of its bearer being interested by a female (top). In the swordtail fish (Xiphophorus hellerii), scientists have now identified the genetic basis of sword growth. Credit: Georg Schneider / University of Würzburg In many species, males have eye-catching characteristics. Although often impractical, they […]

The secret behind male ornaments — ScienceDaily

The tail feathers of the peacock, the enormous horn of male rhinoceros beetles, the protruding antlers of some deer: In nature, there are countless examples of features which at first sight may only have disadvantages for their owners. After all, it is more difficult to hide from a predator when one is wearing a colourful […]