India, Oct. 21 -- Nature is full of fascinating surprises, and the animal kingdom has some truly remarkable pregnancy timelines. While many mammals give birth within a few months, certain animals carry their young for much longer. But which animal gives birth after around 400 days? The answer may surprise you.

Known for their slow movements, plant-based diet, and peaceful nature, they have a long gestation period that allows their calves to develop before birth. These extraordinary animals spend much of their lives in warm coastal waters, rivers, and other shallow aquatic habitats.

Let's explore how long they remain pregnant, why their gestation period is so long, and what makes these gentle giants so special.

Which Animal Gives Birth ...