Are giraffes dumb (Can they make sound?)?

Question

Or can they speak?

Answer 1

They can indeed make a variety of noises, though they seldom do so, and they also can communicate through infrasound.

Answer 2

http://www.puppetopia.com/giraffe/Info.h...

http://www.kidsplanet.org/factsheets/gir...

Giraffes do make sounds but they don't speak.These websites may help you out.The first one answers your question and the second one tells you more about Giraffes,like facts you may not have known.