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Why do some birds move by hopping, and not walk or fly?

Many birds seem to take long, hopping journeys across grass or other areas by hopping erratically. Is this not very energy-consuming, compared to walking, or flying?

What might they gain by this form of motion?
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  • Asked by EvilTony
  • on 2010-10-15 15:32:42
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  • none

Categories: Animals.

Tags: birds, fly, walk, hop.

 

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is it possible that T.Rex hopped?

my reasoning is by comparison with kangaroos, which also have muscular legs, long tails, & little stubby arms..

 
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  • Asked by neilbdm
  • on 2010-03-07 00:43:54
  • Member status
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Categories: Unanswered.

Tags: hop, locomotion, kangaroo, trex, tyrannosaurusrex, tyrannosaurus.

 

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