Arboreal locomotion small branches, as they may wrap too far around and prick the animal's own paw. Adhesion is an alternative to claws, which works best on smooth surfaces. Wet adhesion is common in tree frogs and arboreal salamanders, and functions either by suction or by capillary adhesion. Dry adhesion is best typified by the specialized toes of geckos, which use van der Waals forces to adhere to many substrates, even glass. Frictional gripping is used by primates, relying upon hairless fingertips. Squeezing the branch between the fingertips generates a frictional force that holds the animal's hand to the branch. However, this
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