Nest build fresh nests daily out of leaves and other vegetation in which they sleep at night. They sometimes also build nests during the day for resting in. The smaller species of gorilla build their nests in trees, while the larger are confined to the ground. Nests of the western gorilla, the largest species, measure about in diameter. Some species of frog build nests ranging from simple to modest complexity. Many stream-dwelling frogs lay their eggs in a gelatinous mass which they attach to underwater vegetation. The jelly structure prevents the eggs from washing away. Fish engage in nest building activities
The Nest (aviary) Chiapas and Yucatán. Birds from other continents include are toucans, herons, flamingos, peacocks, and macaws. The Nest (aviary) The Nest () is an aviary located in Ixtapaluca, state of Mexico. Founded by veterinarian Jesús López Estudillo in the 1960s, it is a civil association created to preserve over 300 different species of birds, both Mexican and the rest of South America, Africa and Asia, mostly endangered. The association—formerly known as " Wildlife " ()—also has a space for breeding and conservation of the most endangered species. The Nest is the most diverse aviary in the world and the third largest