The first birds were descendants of theropod dinosaurs, which lived during the Jurassic period, around 150 million years ago. These early birds were very different from modern birds and more closely resembled their dinosaur ancestors. The exact appearance of these early birds is a topic of ongoing scientific research and debate, but scientists have been able to reconstruct their probable appearance based on fossil evidence. Some of the key features of these early birds included feathers, a toothed beak, and the ability to fly or glide to some extent. As these early birds evolved, they gradually became more specialized for flight, leading to the diverse array of bird species that we see today. ๐
The first birds, also known as avialans, evolved from a group of small, carnivorous dinosaurs called theropods. The earliest known bird is Archaeopteryx, which lived around 150 million years ago during the Late Jurassic period. Archaeopteryx had many dinosaur-like features, including teeth, a
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