Bison cows give birth after nine months and nurse their calves for about a year. Calves are able to stand shortly after birth, but remain vulnerable to wolves and bears until they reach maturity at the age of about three years.
Ugandan giraffe baby Fritz is licked by his mother Jette on Friday at the Tierpark zoo in Berlin. When Fritz was born on Nov. 13, he already measured 1.81 meters. Ugandan giraffes are also known as Rothschild’s giraffes.