Are manatees color blind?
Q. Do manatees sweat? (Click link to get answer) Q. Do manatees have good eyesight? A. Surprisingly enough, manatees have fairly good visual acuity and can distinguish between different-sized objects, different colors, and patterns. Their eyes are small, and they have a nictitating membrane that can be drawn across the eyeball for protection. Q. How do manatees communicate with each other, and do they hear very well? A. On the whole, the sensory systems of the manatee have not been well studied. Anatomically, manatees have extremely large ear bones and may have a good sense of hearing. Manatees emit sounds underwater that are used in communicating with one another. It is not believed they are used for navigational purposes. Vocalizations may express fear, anger, or sexual arousal. They are also used to maintain contact, especially when manatees are feeding or traveling in turbid water. Especially common are vocalizations between a female and calf. Manatee sounds can be described as chi
