Lions and Asian otters don't care for sweets but raccoons and spectacled bears will eat almost anything. Now a new study helps explain why. Independently and fairly recently, genetic mutations have ...

Add Yahoo as a preferred source to see more of our stories on Google. Ethiopian wolf licking nectar from Ethiopian red hot poker plant (Credit: Adrien Lesaffre) The Ethiopian wolf, also known as the ...

Many meat-eating animals have lost their ability to taste sugars over the course of evolution. Sea mammals, spotted hyenas and other carnivores have all shed a working copy of a gene that encodes a ...

Most mammals — humans included — have taste receptors that can detect sweet, salty, sour, bitter and savory flavors; but the bottlenose dolphin pictured above has lost its ability to detect sugars. In ...