SPINE-TAILED SWIFT
The fastest of all animals is the spine-tailed swift. it can fly at 170km/h (106-mph). Swifts spend most of their lives in the air, only landing to have their chicks. They can fly 900-km (560-miles) in a single day.
The swift has a very streamlined shape and crescent-shaped wings.
"The bird-watcher's life is an endless succession of surprises."W.H. Hudson -- The Book of a Naturalist
Images via http://www.wildlifting.com/ ; http://www.rosyfinch.com/
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