Howdy, iam Douglas Seaton, Have a blessed day.
Why Do Giant Otters Scream? [Solved]
It is only emitted by individuals who lost sight of the group. The group may answer with wavering screams and contact calls, changing to hums and hum gradations when reaching visual distance. Especially inexperienced juvenile giant otters often get separated from the group during fishing.12 Nov 2014
Otter Family Defeats Caiman in an Incredible Fight | BBC Earth
Giant otters
Giant Otter Screams and Chases Another Otter for Fish
Giant
The Dark Side Of Otters
Otters