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 Booklist wrote, "Straight from the scientific frontier, Horner's work should excite anyone who's dreamed of walking with dinosaurs." Brian Switek of "Smithsonian" wrote, "The importance of "How to Build a Dinosaur" does not lie in Horner's wish to create a dinochicken. That makes up only a small part of the book. Instead the slim volume indicates how paleontology is becoming more of an interdisciplinary science where studies of development and genetics are just as important as fossilized bones." Jeff Hecht of "New Scientist" wrote that Horner "is at his best" in the book, which he called "provocative yet firmly grounded