India, Oct. 1 -- When we think about animal pregnancies, periods ranging from a few weeks to several months are common. But 1,461 days - roughly four years - sounds almost unbelievable. Yet there is a fascinating amphibian whose reproductive cycle can last for years, making it one of the most unusual examples in the animal kingdom.

So, which animal gives birth after 1,461 days? The answer will surprise you, whose reproductive biology is remarkably different from that of most amphibians.

Which Animal Gives Birth After 1461 Days?

The answer is salamander.

More specifically, the Alpine salamander (Salamandra atra) is known for an exceptionally long gestation period. Depending on environmental conditions, particularly altitude, pregnancy ...