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About Birds
Birds are a group of warm-blooded vertebrates constituting the class Aves, characterized by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
Interesting Facts About Birds
- There are around 10,000 different species of birds worldwide.
- The ostrich is the largest bird in the world, while the bee hummingbird is the smallest.
- Birds have a unique respiratory system that allows for a continuous flow of air through their lungs.
- Many bird species migrate long distances to find favorable conditions for breeding and feeding.
- Birdsong is used for communication, including attracting mates and defending territories. Some species are known for their diverse and often complex songs and calls.