Regents of the University of Michigan
Animal Diversity Web: Red Squirrel
Comprehensive information about the red squirrel is presented, including the positive and negative impacts of these small animals on humans. This page also includes excellent photographs of red squirrels and detailed classification...
PBS
Nh Pbs: Nature Works: Red Squirrel
The common red squirrel is found throughout most of North America in coniferous, deciduous and mixed coniferous-deciduous forests. This site features information ranging from characteristics, life cycle, diet, behavior, range and habitat.
Smithsonian Institution
National Museum of Natural History: American Mammals: Red Squirrel
Red Squirrels are very vocal. They bark at intruders, including humans, and can bark continuously for more than an hour if they are annoyed. Learn more about the Tamiasciurus hudsonicus, more commonly known as a Red Squirrel, in this...