The birds are the fastest flying birds on. Earth for level flight 69 mph 
Also when a swift leaves the nest they do. Not touch the ground for up. To. 3 years
They remain constantly air Bourne for 3 years until they need to. Breed
Also when a swift leaves the nest they do. Not touch the ground for up. To. 3 years
They remain constantly air Bourne for 3 years until they need to. Breed
