Why do tigers have different stripe patterns ... few white tigers in the wild. The last one was spotted more than 60 years ago. That makes sense in terms of evolution. A white and black ...

It's got black and white stripes all over. When you see a herd of zebra together, it becomes one big stripy pattern. No other animal looks so striking on the African plains. The zebra can't hide ...

How animal color patterns develop and evolve is a longstanding question in developmental biology. HHMI Investigator Hopi Hoekstra of Harvard University studies the development and evolution of stripe ...