Both male and female Caiman bellow loudly. Bellowing is used for attracting mates and also for claiming territory.
How do caiman bellow ?
The caiman first inhales air into the lungs and then creates a deep roar sound while exhaling. This causes the water to vibrate on their back. The noise can be heard from long distance. Besides the video above find below an image of a caiman bellowing in the Pantanal.
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