((This is the last tweet from this Twitter account. I learned a ton about RP- thank you to all of you that were patient with me as I found my way. Thank you to everyone that shared their great stories. Thank you for making me smile so often.))
Shoebill stork are normally silent, but they sometimes perform bill-clattering displays by clapping the upper & lower jaws, producing a loud hollow sound like a machine gun, or tribal drums beating [source, Matsue Vogel Park: https://t.co/Vbz7Lcxd4b]