This animal exhibits a peculiar head-neck morphology that was most likely related to an extreme sexually related head-butting behavior. Finite element analyses reveal that it might have possessed the most optimized head-butting adaptation in vertebrate evolution.

2022年7月30日 · Fossils demonstrate that head-bashing combat contributed to the development of the long necks of giraffes. The authors of the study propose an alternative theory for the origin of the long necks of modern giraffes: giraffes needed them for head-bashing combat they used in competition for mates.

Giraffe cervical vertebrae (neck bones) are shown. The head would be to the left. Like most other mammals, the giraffe has seven cervical vertebrae but the vertebrae are proportionally longer. These vertebrae came from a local zoo (Como Zoo). Click to view the head and neck of a giraffe .

RFPA2RJ8 – side profile or side view of head and a bit of neck of a Giraffe in the wild of South Africa

Unlike modern giraffes, Discokeryx xiezhi had a short neck, and on top of its head there was a bulging, hard plate that was used to combat other males in the battle for females. The small giraffe was roughly the size of a sheep, so it is highly unusual that its skull was up to 2.5cm thick, making the head ideal for fights.

A giraffe’s neck can measure over 1.5 metres (5 feet) in length, however, it contains only seven vertebrae the same number as in most other mammals, including humans. Do Giraffe’s Have Horns? The heads of both male and female giraffes have a pair of hair-covered horns called ossicones, which are permanently covered by skin and ending in a ...

Browse 3,830 authentic giraffe neck stock photos, high-res images, and pictures, or explore additional elephant or ostrich stock images to find the right photo at the right size and resolution for your project. Giraffe sticking his head out of clouds. Vector illustration of kids alphabet coloring book page with outlined clip art to color.

The head and neck of a young giraffe has been photographed. The giraffe is from a local zoo (Como Zoo). Click to view giraffe cervical vertebrae .

2023年7月17日 · Download this free HD photo of animal, wildlife, giraffe, and simple by Frida Lannerström (@fridalannerstrom)

2024年5月15日 · Download this free HD photo of animal, giraffe, mammal, and wildlife by Haberdoedas (@haberdoedas)