The richest sources of heme iron in the diet include lean meat and seafood [11]. Dietary sources of nonheme iron include nuts, beans, vegetables, and fortified grain products. In the United States, about half of dietary iron comes from bread, cereal, and other grain products [2,3,5].
The calf will remain in this nursery for one year. Masai Giraffes have a life span of 25 â 30 years. Masai Giraffe Predators. Lions, hyenas and poachers are the main enemies of the Masai giraffe. Their only defence is their speed and their powerful kick that can render a lion unconscious and in some cases even decapitate it. Masai Giraffe Subspecies
Likelihood of Living to Adulthood. In most cases, giraffes are very social animals. A herd of about 40 giraffes is mostly composed of females and calves with several bulls, or male giraffes mixed in. The young male giraffes move together with the older males and are more solitary and love to live alone. While in captivity, a giraffe can live for about 28 years or even longer. Many giraffes do not make it into adulthood because more than half of all calves are killed by hyenas, lions, and other predators within the first year after birth.