How Long Do Turtles Live? Some Outlive Their Owners’ Grandkids

Pet turtles live 20 to 40 years, wild turtles vary widely, but giant tortoises can pass 150. See how each type compares and what shapes their lifespan.

Pet turtles live 20 to 40 years, wild turtles vary widely, but giant tortoises can pass 150. See how each type compares and what shapes their lifespan.

How long do cats live in human years? Year one equals 15, year two adds 9 more, then +4 per cat year after. See the full age chart and what it means for you.

How long do cats live? Indoor cats average 12-18 years, outdoor cats often 2-5. See why the gap is so wide and how to protect your cat's lifespan.

Forget the x7 myth. Learn the real vet formula for how long dogs live in dog years, from puppyhood through senior age, adjusted for breed type and size.

How long do dogs live? Most reach 10 to 13 years, but breed size shifts that range a lot. See why small dogs outlast giants and why the dog years myth is wrong.

What dinosaur has 500 teeth? Nigersaurus, a sauropod with a wide flat muzzle and a nonstop tooth replacement system. See how its dental battery worked.

How do eels reproduce? European and American eels swim thousands of miles to the Sargasso Sea to spawn and die, and no one has ever filmed it happening.

How long do bearded dragons live? Wild and captive lifespans differ hugely, and diet, habitat, and vet care are the biggest factors owners get wrong.

How long do chickens live? A backyard hen can reach 8 to 10 years, while factory birds live only weeks. Here is the huge lifespan gap and what drives it.

How long do flies live? The common housefly lasts weeks, not a single day. Here is the real lifespan, where the 24-hour myth came from, and why it is wrong.