A classic example of natural selection at work is the origin of giraffes’ long necks. The ancestors of modern giraffes were animals similar to deer or antelope, with necks of ordinary length.

xiezhi may not be that close of a relative to modern giraffes, he argues, so their headbutting behavior may not tell us much about how long necks evolved ... s eyes that we should take this sexual ...

But something happened over the past millennia that drove giraffes to evolve the longest necks of any living animal. What ...

Description: The tallest land mammal, with a neck as long as 6 feet, the giraffe is also well known for the unique brown and white pattern on its coat (“pelage”) and its lengthy eyelashes and legs.

Known for their 6-foot-long necks, distinctive patterning and long eyelashes, giraffes have always captured the human imagination. These amazing African animals have the highest blood pressure among ...

In a new study, an international research team used genome sequencing for the first time to reveal clues about the genetic changes that led to the evolution of the giraffe’s stature and its ...