So, what animal has the longest gestation period? Here are the 5 longest periods in the animal kingdom. (Image Credit: Matteo photos/Shutterstock) Golden alpine salamanders live in cold climates ...

Elephants have the longest gestation period of all mammals: 22 months. In addition, elephant mothers have remarkably strong bonds with their calves that endure for life. A Final Takeoff ...

She arrived after one of the animal kingdom’s longest gestation period, up to 15 months. The baby has been bonding with her attentive mother DeeDee and exploring her new surroundings ...

Some sharks and even a salamander retain their fetuses for years sometimes before giving birth. So, what animal has the longest gestation period? Here are the 5 longest periods in the animal kingdom.