Beavers' teeth never stop growing
Beavers' incisors grow continuously, allowing them to gnaw through tough wood and build habitats without ever losing their ability to eat, a remarkable adaptation.
Beavers have continuously growing incisors, a vital adaptation for their role as nature's engineers. These rodents use their powerful front teeth to gnaw through wood for building dams, lodges, and food caches. This constant growth, estimated at 0.4 to 0.5 millimeters daily for upper incisors, prevents their teeth from wearing down.
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