An undulating Rumble of medium duration (~1.5-3.5 seconds) with an audibly detectable and distinctive complaining or whining tone. We refer to this as a Grumble-Rumble. This call is typically heard when the calling elephant, often a calf or younger elephant, has been thwarted or mistreated in some manner.
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Ruby's 6 year male has been trying to Suckle for a while and has been complaining with Roars, Cries and Grumble-Rumbles. He leans into her on her left side and she Kicks-Back at him. He goes around the other side to try and she keeps him at bay by using a Body-Nudge and by using her tail to swat him (Tail-Swatting). He leans back and gives a Grumble-Rumble. (Maasai Mara, Kenya)