How do scientists estimate the age of long-lived animals?

200 years: Bowhead Whale lifespan - the longest living mammal. There are a number of marine species that outlive humans, and the mammal species that holds the ... Feb 14, 2025 ... As one of the longest-living scorpion species, the emperor scorpion's lifespan is up to eight years in the wild. These large, glossy black ... Jun 23, 2023 ... In intensive farming, a wool sheep can live to be around seven years old - which means it has the longest life expectancy among its fellow ... Jun 3, 2024 ... The Aldabra giant tortoise has the longest lifespan in captivity, often exceeding 100 years and reaching at least 177 years. Their longevity is ... Feb 27, 2025 ... ... species have some of the longest lifespans. But the parrot isn't the only bird with a long lifespan. Large species, like the record-holding ... Man has been trying to answer this question for years, but until recently most of the life-span information resulted from keeping age records on captive animals ... Sep 6, 2018 ... To date, there's only one species that has been called 'biologically immortal': the jellyfish Turritopsis dohrnii. ... lived species that seem to ... Data has shown that bowhead whales may be among the longest-lived animals on earth. Based on the recovery of stone harpoon tips in their blubber, and from ... Jan 14, 2025 ... The average lifespan of a turtle or tortoise is highly dependent on the species. Some species may only live 10–20 years in captivity, while the maximum ... Aug 5, 2024 ... The average lifespan of the larger species is 50 years, like macaws. However, some parrots reach the astounding age of 100 years. The African ...