Tree squirrel Tree squirrel Tree squirrels are the members of the squirrel family (Sciuridae) commonly just referred to as "squirrels". They include over a hundred arboreal species native to all continents except Antarctica and Oceania. They do not form a single natural, or monophyletic group; they are related to others in the squirrel family, including ground squirrels, flying squirrels, marmots, and chipmunks. The defining characteristic used to determine which species of Sciuridae are tree squirrels is dependent on their habitat rather than their physiology. Tree squirrels live mostly among trees, as opposed to those that live in burrows in the ground or
In the World of Animals In the World of Animals In the World of Animals () is a Soviet and Russian television program dedicated to zoology and wildlife research, especially the habits and habitat of its members. It aired in 1968. In the early 1970s, show starts at composition by Paul Mauriat Orchestra "Colombe Ivre", a screen saver, which were depicted giraffe and rhino. In 1974, the transmission illustrated splash with a flying monkey, running under the ostriches exciting music of Ariel Ramirez "La peregrinación (Pilgrimage)" of the Christmas cantata Our Christmas, also in adaptation of Paul Mauriat Orchestra. This screensaver lasted until 2009. The