Nature's Creatures - Animals (Subcategory: Birds)

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Features: In the animal kingdom, birds are the only feathered warm-blooded animals. The average body temperature of birds is about 10 degrees higher than that of mammals. Birds reproduce through laying eggs. With wings and streamlined bodies, they can soar freely in the sky. Birds are the most widely distributed and numerous group of terrestrial vertebrates. There are currently over 9,198 species of birds worldwide, distributed across all continents. China has 1,244 species, accounting for 13.52% of the world's bird species. It includes extremely rare species such as the Crested Ibis, Black-crowned Crane, Red-crowned Crane, Trumpeter Swan, Green Peafowl, Black Stork, Black-faced Spoonbill, Mandarin Duck, Painted Quail, Golden Eagle, Gray Eagle,, and Snowy Owl. Birds are very important to nature, not only because they have colorful feathers and melodious songs, but more importantly, they can eliminate pests and serve as guardians of the ecological balance in nature.