“No one is free, even the birds are chained to the sky” Bob Dylan Hi folks, this time I am coming up with top 3 kings of sky wait, I am not going to say anything about flying saucers or high-speed jets. It’s all about nature's unique creatures. I think you guessed it! It’s about top 3 bird species in the world. Before going deep into the post, let me clarify that all these top 3 birds are selected based on their lifespan, uniqueness, the time they spent on air. EAGLE. There are more than sixty species of eagles in the world. It is very difficult to mention one them because every single one is unique in its own way. Eagles are considered as a symbol of freedom and bravery. That’s why more t...