Giraffes are very interesting and funny animals, but since this is an exotic animal for our area, we know very little about them. Download the giraffe app and get mega cool pictures on your device screen! The giraffe has the highest heart rate and the highest blood pressure among terrestrial animals. Giraffes have an entirely black tongue, whose length can reach 45 cm. Giraffes are the highest animals on planet Earth. Male individuals can grow up to 5.5 meters in height, and the height of newborn animals may exceed the height of the average person, - an interesting fact. The giraffe is the only animal that can not yawn. Practically all (fish are not included): mammals, cold-blooded animals, and birds. But the process of yelling giraffe was not fixed. As it turned out, the giraffe not only has a long neck. Unusual long distinct tail and tongue mammal. The length of the giraffe's tail in some individuals reaches 2.5 meters. The tongue of the animal is very unique, because it has a black color, and its length is about 50 centimeters. Most of the time, namely about 20 hours a day, the giraffe takes to eat food. The dream is a maximum of 1 hour, just as he loves to sleep for about 5 minutes to restore strength, and he does it standing.