Bird lovers help scientists discover secrets of beak evolution
There are some examples - such as birds who have evolved in comparative isolation on remote islands such as the Galapagos and the Hawaiian archipelago - who have continued to evolve rapidly.
Feb 02, 2017, 23:47 PM IST
Know why are birds toothless
Have you ever thought, why birds are toothless? Well, researchers have discovered a dinosaur species that shed its "milk teeth" but did not replace them, a finding that not only changes its anatomy. And this also explains why birds have beaks and not teeth.
Dec 23, 2016, 22:43 PM IST
