We know larger animals tend to have longer lifespans. But why do big cats(like leopards, etc)have such a short life(about 15 years) compared to humans(about 80 years)?

Question

p.s.Big cats and humans have similar body weights, if not higher.

In: Biology

Answer 1

This isn’t true for dogs specifically. Smaller dogs tend to have longer lifespans than larger ones. There isn’t a ELI5 answer for this because it is a faulty speculation.