Arboreal theory and feet that were capable of grasping. This was also a result of arboreal life, which required a great deal of crawling along branches, and reaching out for fruit and other food. These early primates were likely to have eaten foods found in trees, such as flowers, fruits, berries, gums, leaves, and insects. They are thought to have shifted their diets towards insects in the early Cenozoic era, when insects became more numerous. Arboreal theory This theory is proposed by Grafton Elliott-Smith (1912) who was a neuroanatomist who was chiefly concerned with the emergence of the primate brain. The arboreal
Anzuetoi arboreal alligator lizard Anzuetoi arboreal alligator lizard Anzueto's arboreal alligator lizard (Abronia anzuetoi ) is a species of lizards in the family Anguidae. The species is endemic to Volcán de Agua in Guatemala. The specific name, "anzuetoi" is in honor of Guatemalan naturalist Roderico Anzueto, who collected the holotype. The extent of occurrence of "A. anzuetoi" is approximately 24 km (9.3 mi), and thus the species is considered Vulnerable by the IUCN. Anthropogenic impact is minimized by the fact that its native habitat has many landmines, and surrounding coffee plantations have been abandoned. "A. anzuetoi" is found at elevations from on Volcán de