Giraffe Ossicones: Unique Mammal Headgear

Ossicones are columnar or conical skin-covered bone structures on the heads of giraffe and okapi (Fig 1). Giraffe ossicones consist of a bone core covered with skin and attached to the skull with connective tissue. The bone, skin, and connective tissue of ossicones are all living growing tissues with blood vessels and nerves. All male … Read more

Friends Matter: More Sociable Giraffes Live Longer

A group of adult female Masai giraffes.

Adult female giraffes who spend time in larger groups with other familiar females live longer than less sociable individuals. The effects of sociability on survival outweigh other factors such as environment or human presence, a study of giraffes in Tanzania conducted by the University of Zurich and Penn State has shown. An iconic but endangered … Read more