Scientists discover 149-million-year-old world's smallest long-tailed bird fossil revealing how modern birds evolved | - The Times of India
While early birds existed in a time period when dinosaurs dominated, they were feathered, capable of gliding or flying, but looked nothing like the birds we have today. Unlike birds like pigeons, robins and eagles, which have short fan-shaped tails, these ancient birds possessed long, bony tails inherited from their dinosaur ancestors.