Computer simulations show evolution of birds' crouch likely due to increase in forelimb size (w/ video)

(Phys.org) —An international team of researchers working together to discover how, when and why birds have evolved to stand in a crouching position, have come to the conclusion that it was due much more to the growth of forelimbs than a reduction in size of the tail. The team describes in their paper published in the journal Nature, how they built computer simulations to recreate in a virtual sense, the evolution process that led to the crouching position and possibly the evolution of flight.

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