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
How to Build a Dinosaur the same time as "Jurassic Park IV", to serve as a scientific companion volume; however, the film was delayed. Horner's book, in hardcover form, was ultimately published by Dutton Penguin on March 19, 2009, without the accompaniment of the film. The book was initially published with the title "How to Build a Dinosaur: Extinction Doesn't Have to Be Forever". A paperback version was published by Plume on February 23, 2010, with the title "How to Build a Dinosaur: The New Science of Reverse Evolution". "Publishers Weekly" called the book "provocative but frustrating", writing that aside from the main concept, "Much