Ondatra zibethicus: The Common Muskrat
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Scan day: 06 March 2014 UTC
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Description: Student project with classification, habitat, adaptation, nutrition, reproduction and interactions with other species.
The common muskrat is a large rodent that resides in aquatic environments such as marshes. They are usually about two feet in length including their tail. Their bodies are covered in thick brown fur that is made up of both an outer layer which keeps them dry, and a heavy inside layer which helps them retain their body heat while swimming in the cold water that they inhabit. Their front feet are small and they have four fingers with claws and a small thumb which they use for grasping. The back feet are larger and have five webbed fingers with claws. Along with their webbed back feet and strong, flattened tail, the common muskrat is a very efficient swimmer. Their eyes and ears are very small and most times the ears are almost hidden in their thick fur. Their large incisor teeth are located in front of their cheek, allowing them to gnaw and chew submergent and aquatic vegetation while swimming underwater.
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