Courting grebes that run on water - in a behaviour known as rushing - over 50% of the impulse that keeps tham aloft is generated by slapping the foot down.
The original research can be accessed at [ Ссылка ]
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Courting grebes that run on water - in a behaviour known as rushing - over 50% of the impulse that keeps tham aloft is generated by slapping the foot down.
The original research can be accessed at [ Ссылка ]