"Eagle Ninja 'begins like a mule
January 25, 2016 Updated 17.02 clock GMT
British researchers a study of the mechanics of the secretary bird strike - a large species living in sub-Saharan Africa and begins its prey to death with remarkable agility.
A team from the Royal Veterinary College and Royal Holloway, examines a male secretary hosted Hawk Conservancy Trust Hampshire.
Using hidden buffers starch and gum line, they found the bird fall a force of up to six times its own weight, with a time of 15 milliseconds (0.015 seconds) contact - one-tenth of a wink.
The lead author of the study, Dr. Steve physiologist Portugal, he often described the birds secretary "Ninja Eagles on stilts."
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