Dinosaurs are oviparous reptiles, and like birds, they reproduce by laying eggs. We know that some bird eggs are very large, such as goose eggs, which weigh about half a catty (250 grams), and ostrich eggs can reach about 1,500 grams. , so how big should a dinosaur egg be?In fact, dinosaurs came in...
This series of articles divides birds into six categories based on ecosystems: migratory birds, wading birds, climbing birds, raptors, land birds, and songbirds. This article introduces songbirds belonging to the six categories, a total of 22813 Words, 325 species of birds, a total of 298 high-defin...
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