1-2 YEARS: WEASEL LIFESPAN
Weasels make up for their short life by having up to 13 kits in a litter and up to three litters a year.
The least weasel doesn’t live as long as most larger animals. © Zahoor Salmi/Getty
3 YEARS: HEDGEHOG LIFESPAN
Hedgehogs have tough lives: half die in their first year, and few live longer than three years.
A happy hedgehog in Scotland. © Nature Picture Library/Getty
12 YEARS: WOLVERINE LIFESPAN
The largest members of the weasel family, wolverines stay with their mother until the age of two, when they can start to breed.
Wolverine aka glutton with a relatively short lifespan. © Manfred Delpho/Getty
14 YEARS: TIGER LIFESPAN
Young tigers suffer a high mortality rate, with 50 per cent dying before the age of one.
Siberian tiger aka Amur tiger. © Ibrahim Suha Derbent/Getty
25 YEARS: BROWN BEAR LIFESPAN
Apart from humans, brown bears have few enemies – in Russia’s Far East, the Siberian tiger is a rare threat.
A European brown bear in the Carparthian Mountains, Romania. © Joanne Hedger/Getty
30 YEARS: LOWLAND TAPIR LIFESPAN
Tapirs are large, robust mammals. They may look like a meal for big cats such as jaguars, but they are rarely taken.
Lowland tapirs can live for up to 30 years. © Vitor Marigo/Aurora Photos/Getty
35 YEARS: WESTERN GORILLA LIFESPAN
Gorillas mature slowly and breed late – females give birth for the first time at the age of about 10, and have one baby every four years.
This baby gorilla has a lifespan of around 35 years. © David Yarrow/Getty
41 YEARS: BRANDT’S BAT LIFESPAN
Brandt’s bats live extraordinarily long lives considering their size.
Hibernating Brandt’s bats. © Yves Adams/Getty
56 YEARS: ELEPHANT LIFESPAN
Elephants are unusual among mammals other than humans in having a ‘use’ after they stop breeding – older females help to look after young calves.
Female elephants will still look after calves when they’re past breeding age. © abadonian/Getty
80 YEARS: HUMANS LIFESPAN
We are the longest-lived land mammal, although there are a number of marine species that outlive us – bowhead whales can live for 200 years.
The bowhead whale lives in the Arctic and has a lifespan of 200 years or more. © Michael Nolan/robertharding/Getty
These facts originally appeared in BBC Wildlife Magazine’s The Big Book of Mammals.