A manatee is a big sea animal. 

A manatee is a big animal that lives in water. 


Manatees are large animals that live in the water. 


Manatees eat over 60 types of plants. They use a special upper lip to grab food. This lip is prehensile, which means it can grasp things. They use their flippers to walk on the bottom too. To help them eat, their teeth are always changing. As old teeth wear down, new ones grow in from the back. This works like a conveyor belt.
These animals love warm water. They cannot survive if the water is below 15 °C. 
Manatees are large marine mammals that live entirely in the water. 


Eating is a big part of a manatee's day. They spend up to seven hours grazing on plants. 
Manatees have a very clever way of keeping their teeth. Eating gritty plants can wear their teeth down quickly. To fix this, they grow new teeth throughout their lives. New teeth grow at the back of the mouth. The older teeth move forward like a conveyor belt. This is a process very similar to how elephants grow teeth. 
Scientists have studied manatees for a long time. We know they evolved from four-legged land mammals. This happened more than 60 million years ago. Their closest living relatives are elephants and hyraxes. 
Manatees rely on warm water to stay healthy. They cannot survive if the water drops below 15 °C. 

Manatees are large, fully aquatic marine mammals belonging to the family Trichechidae. 

There are three accepted living species of manatee. 
Manatees have a unique way of eating and digesting food. They use a large, flexible, prehensile upper lip to gather vegetation. 

Digestion is another complex process for these animals. Manatees have a simple stomach, much like a horse. However, they possess a very large cecum to help digest tough plant matter. 
Evolutionary history shows that manatees have changed significantly over millions of years. 
Manatees have several physical characteristics that set them apart from other mammals. Most mammals have seven cervical vertebrae, or neck bones. Manatees are unusual because they have only six. 

Temperature is a critical factor for manatee survival. They cannot survive in water below 15 °C (60 °F). 
Unfortunately, manatees face many dangers from human activity. Habitat destruction is a major cause of death. Because they are slow-moving and curious, they often collide with boats. Some manatees have been found with over 50 scars from propeller blades. 
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