In this reading comprehension worksheet, students read a 2-page article regarding Oregon and respond to 10 true or false questions regarding the selection.

River Otters can be thought of - and in a very real sense are - semi-aquatic weasels. Like fishers, martens, and mink, they have long, slender bodies, short limbs, and a short face, plus a set of adaptations for their aquatic lifestyle:...

This site gives an in-depth description of a otter, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.