It is a type of dinosaur that lived in the Jurassic period, belonging to the bird hipped dinosaur order. Its name comes from Greek, meaning "ostrich lizard", mainly because they have long legs and running ability similar to ostriches. Large in size, generally up to 10 meters in length and 3 meters in height. The head is relatively small with a beak shaped mouth, suitable for chewing plants. The tail of the avian dragon is long and strong, which can be used to maintain balance or as a defensive tool. It is a social animal that feeds on plants and mainly lives in forests and swamps. The forelimbs are relatively short, with five fingers, but the thumb is particularly developed, forming a sickle like structure for defense or digging.

Camarasaurus is an extinct sauropod dinosaur. It is the most common large sauropod dinosaur in North America, with an adult body size of about 20 meters long and a weight of 15-50 tons. Compared to other long necked dinosaurs, its neck is much shorter and its tail is also shorter, making its physique appear more robust and sturdy. It is one of the most famous dinosaurs in North America. The Latin meaning of its name is a dome shaped reptile. They belong to vegetarian dinosaurs and lived in the late Jurassic period, dating back 155 to 145 million years ago. Compared to other tall relatives in the sauropod family, the dome dragon appears relatively short.

Edmontosaurus is also translated as Edmontosaurus or Edmontosaurus, named after the fossil discovery area of Edmonton, Alberta, Canada. Edmontosaurus is a huge dinosaur. They have a triangular shape on the side of their head, without a crest. The front and back of their head are wider, while the middle is narrower. Their mouth and nose resemble a duck's beak. Living in the late Cretaceous period. Group living is a way for Edmontosaurs to improve their survival ability, as their individuals do not have particularly effective ways to resist enemies, while group living can effectively avoid predators' sneak attacks. The neck is relatively short and mainly feeds on ground plants.