Males with more developed ossicones scare off their rivals to attract females and claim territory. While the study demonstrates that four giraffe species exist, the International Union for the ...

Giraffe skulls are important to the animals' reproduction and evolution. That's because of their ossicones, the horn-like structures that are longer and wider in males than in females. The size ...

Kenyan wildlife experts approach a reticulated giraffe that has been tranquilized in the Loisaba Wildlife Conservancy. They’ll attach a GPS unit to one of its ossicones—the bony knobs on its ...

These horn-like “ossicones” start off as soft cartilage and turn to bone over the course of a giraffe’s life, so adult skulls have what look like two antlers. The giraffe’s tufty ...