Hoover (Seal)
en.wikipedia.org
en.wikipedia.org
As noted in the youtube comments, a good sample of him talking can be found around the 14:30 mark.
My favorite demo is by Michael Shermer (after 9 minutes): https://www.ted.com/talks/michael_shermer_why_people_believe...
“Like all cases of talking animals, these claims are subject to the observer-expectancy effect.“
https://en.wikipedia.org/wiki/Batyr
I’m curious how much this was studied scientifically.