For more than a decade many researchers have compared the DNA of giraffes from all parts of Africa. These studies have revealed that there are four distinct giraffe species: the southern ( Giraffa ...
Around 45 million years ago, a 4.6 feet-tall (1.40 meters) flightless bird called Diatryma roamed the Geiseltal region in southern Saxony-Anhalt. An international team of researchers report on the ...