NAIROBI, Kenya (AFP) — One of the most under-studied large mammals in Africa, research has shown the giraffe has silently been going extinct, with numbers dropping 40 percent in the past three decades. Here are some unusual facts about one of the most distinctive-looking creatures on the continent. Neck The giraffe’s best-known feature can be longer than most people are tall. However, like humans it still only has seven vertebrae. Each is about 25 centimeters […]