Researchers have observed African zoo elephants with life spans of about 17 years, whereas wild ones in Amboseli lived 36 years. However, sea lions can live to be around 30 years old in captivity, in contrast to an average of approximately 20 years in the wild.
If you'd like to see beautiful photos of all types of animals, check out "National Geographic the Photo Arc: One Man's Quest to Document the Worlds's Animals" by Joel Sartore with a forward by Harrison Ford. We handpick reading recommendations we think you may like. If you choose to make a purchase, Curiosity will get a share of the sale.