1
ORANGUTAN BABIES: 3
A female orangutan stays with her mother into her teenage years – the longest childhood dependence duration for any animal in the world, other than human beings.
2
GIANT PANDA BABIES: 7
Giant panda cubs are proportionately the smallest of placental mammals. At birth they are just just 0.12 per cent of their mother’s weight. It’s about 6-7 per cent for a human.
![Giant Panda cub Wolong Panda Preserve Sichuan Province China Giant Panda cub Wolong Panda Preserve Sichuan Province China](https://c02.purpledshub.com/uploads/sites/62/2015/06/GettyImages-1033310862-10ee4fa.jpg?webp=1&w=1200)
3
WHITE RHINO BABIES: 11
Female white rhinos usually give birth for the first time at between six and and seven years old. The calves stay with their mother for three years.
4
TIGER BABIES: 15
Tiger cubs are at the greatest risk from male tigers who may try to kill them to mate with the female.
![A tigress with her three sub-adult cubs A tigress with her three sub-adult cubs](https://c02.purpledshub.com/uploads/sites/62/2015/06/GettyImages-1002038140-b753035.jpg?webp=1&w=1200)
5
AMERICAN BLACK BEAR BABIES: 20
A young black bear requires a lot of attention and stays with its mother for the first 16-17 months.
6
BLACK-TAILED PRAIRIE DOG BABIES: 24
Prairie dog colonies are called towns – the largest ever discovered covered 65,000km2 and was home to 400m animals
![Black tailed prairie dog Black tailed prairie dog](https://c02.purpledshub.com/uploads/sites/62/2015/06/GettyImages-1003123536-0aa334c.jpg?webp=1&w=1200)
7
NINE-BANDED ARMADILLO BABIES: 54
Nine-banded armadillos hit this tally by giving birth to four identical quadruplets every year of their reproductive life.
8
VIRGINIA OPOSSUM BABIES: 108
At birth, a baby opossum is the size of a bee and weighs just 0.13g. A female can suckle up to 13 young at the same time.
![Virginia Opossum, Didelphis virginiana, female with babies clinging to her Virginia Opossum, Didelphis virginiana, female with babies clinging to her](https://c02.purpledshub.com/uploads/sites/62/2015/06/GettyImages-128109097-80aec4c.jpg?webp=1&w=1200)
9
NORWAY LEMMING BABIES: 192
Norway lemmings start early. A female can get pregnant at just two weeks old.
10
EUROPEAN RABBIT: 360
An eye-watering number of young, but rabbits need to have lots of babies as only 15 per cent make it through the first year.
![Juvenile European rabbit (Oryctolagus cuniculus) Juvenile European rabbit (Oryctolagus cuniculus)](https://c02.purpledshub.com/uploads/sites/62/2015/06/GettyImages-590484838-52b9dff.jpg?webp=1&w=1200)
These facts originally appeared in BBC Wildlife Magazine's The Big Book of Mammals.