O’Connor said that when giraffes go down on the ground, they can choke on their own saliva, or their brains can be damaged by the changes in blood pressure. So it’s important that once the ...

Plus, the San Diego Zoo says these animals have thick saliva to coat their mouths and throats so that the thorns also don't stick as they swallow. Giraffes essentially have a whole system in their ...

Warm up: controlled stretches. Giraffes: arm above head to create neck and head; travelling with straight legs. Giraffes drinking: legs out to either side and tilt upper body forward to drink.

Of these, it wouldn’t be a ‘stretch’ to say giraffes are pretty high up that list. And it seems to be that they also have a rather “convenient” sleeping habit. With long necks ...

View Full Profile. Learn about our Editorial Policies. With their long necks, giraffes are a poster child for evolutionary oddities, but scientists know very little about the genetic underpinnings of ...