Which animal has the longest lifespan?

In the past, people often said: "A crane lives for a thousand years, and a tortoise lives for ten thousand years." Of course, this is just an exaggeration in language. It is said that a large tortoise weighing 250 to 260 kilograms can live for 300 to 350 years, which can still be regarded as a long-lived animal. Wild crocodiles can also live to 300 years old, but some researchers believe that they can only live for 40 to 50 years.

People often think that elephants have the longest lifespan, but in fact, elephants generally only live for 60 to 70 years, and rarely live to 100 years old. Whales were once regarded as ancient animals, and it was thought that their lifespan could reach 500 to 1,000 years. It is said that the average lifespan is only 30 years, and the longest lifespan does not exceed 100 years. Some zoologists believe that the lifespan of animals is generally proportional to the size of the body.

But fish are small but surprisingly long-lived. Carp live 60 to 75 years. Lions, the king of beasts, can live 20 to 25 years. Carnivorous warm-blooded animals generally have shorter lives than omnivorous and herbivorous animals. Primate monkeys live 50 years, bears live 20 to 30 years, horses live 20 to 35 years, snakes and lizards live 25 to 35 years, and deer live 18 to 25 years. Male deer age faster, while female deer can still give birth until the end of their lives.

Foxes live 8 to 10 years, camels 40 to 45 years, and cats 13 to 20 years. One year of dog life is roughly equivalent to seven years of human life. Therefore, a 20-year-old dog would be a 140-year-old man if it were a human. Among birds, ostriches live 60 years, parrots have roughly the same lifespan as humans, and tits and songbirds generally live 5 to 18 years.

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