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
Edible bird's nest China. China is the world's largest consumer of birds' nests, accounting for more than 90 percent of consumption. Indonesia is the largest bird's nest producer in Southeast Asia, exporting around 2,000 tonnes per year, followed by Malaysia at 600 tonnes, and Thailand, 400 tonnes. The Philippines, around five tonnes per year, is the smallest producer. It has been estimated that the bird's nest industry now accounts for 0.5 percent of the Indonesian GDP, equivalent to about a quarter of the country's fishing industry. In Thailand, the trade value of bird's nests, both wild and "farmed", is estimated at around 10