Why do birds migrate? The migration of the birds, which started to resettle in the autumn, was that the weather was warmer where they went, and they could find food more efficiently. Most birds cannot survive in the cold.
What do birds eat? They are fed in two ways, carnivores, and herbivores. Some species can eat both grass and meat. Some birds feed on plants and fruits, and species feed on worms or animals they find dead.
Do all birds sound good? No, it is not. For example, the voice of crows can be said to be very ugly. Have you ever heard of being called "crow-voiced" to indicate that someone's voice is ugly? Which bird has the most beautiful voice? Choosing the most beautiful-sounding bird can be difficult. This may vary according to taste. Let's give you examples of beautiful-sounding birds, decide for yourself. Nightingale, goldfinch, and canary are some birds that are famous for their beautiful voices. Are there any flightless birds? The penguin is also a bird. Aren't you surprised? Although the solitary penguin is one of the bird species, it cannot fly.
Birds; are a group of warm-blooded vertebrate animals that make up the Aves class, which have feathers, toothless beaks, reproduce through the hard-shelled eggs they lay, have a high metabolic rate, four-chambered hearts, and a light but strong skeleton. The sizes of birds that live widely worldwide are 5 cm in the bee hummingbird to 2.75 m in ostrich. Varies between There are about ten thousand living bird species, and more than half of them are songbirds. Birds have wings that differ according to the species, and the only known wingless groups are the extinct moa and the elephant bird. The evolution of forelimbs into branches gave birds the ability to fly. Still, later on, with the continuation of development, penguins, ostriches, and some species endemic to the islands lost their ability to fly. The digestive and respiratory systems of birds have also adapted to their ability to fly. In particular, birds such as seabirds and some waterfowl have evolved and gained the ability to swim.
Birds are feathered theropod dinosaurs and form the only living dinosaur group. Also, their closest living relatives are crocodiles. They are descendants of primitive volatiles, including Archeopteryx, that first appeared in China 160 million years ago. According to DNA evidence, modern-day birds (Neornithes) evolved during the Middle and Late Cretaceous Period. They were highly speciated during the Cretaceous-Tertiary extinction 66 million years ago, which killed off the pterosaurs and all flightless dinosaurs.
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