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Re: Origin of flight in birds and bats



David Marjanovic <david.marjanovic@gmx.at> wrote:


> I suppose the idea is that echolocation is necessary in caves but not an
> obvious idea elsewhere. The only echolocating birds spend a lot of time in
> caves.



Shrews and tenrecs use echolocation for close-range exploration of
terrestrial habitats.





Cheers

Tim