India, Sept. 9 -- When it comes to animal pregnancies, most people expect the gestation period to last a few weeks or several months. But some animals carry their young for surprisingly long periods. So, which animal gives birth after 12 months? The answer may surprise you.

Which Animal Gives Birth After 12 Months?

The horse is the surprising answer to this animal pregnancy question.

Technically, horses do not usually have a pregnancy lasting a full 12 months. The average gestation period for a mare is approximately 340 days, which is around 11 months. However, normal pregnancies can extend considerably beyond the average, with some mares carrying their foals for longer than 11 months.

This makes the horse one of the animals commonly ...