As well as the common symptoms of post-polio syndrome, several associated symptoms can arise from the combination of fatigue, muscle weakness, and muscle and joint pain.
Squirrel monkeys are any of the species of monkeys that belong to the taxonomic genus Saimiri. The species and subspecies are distinguished mostly from fur coloring and shape, rather then behavior differences. They live in Central and South America and have similar habitats even though the range is very widespread.
Flying squirrels (scientifically known as Pteromyini or Petauristini) are a tribe of 50 species of squirrels in the family Sciuridae. They are not capable of flight in the same way as birds or bats but are able to glide from one tree to another with the aid of a patagium, a furry, parachute-like membrane that stretches from wrist to ankle.