Actually, this is what I have heard happened. Movie animals like trigger, silver, rin tin tin, lassie and others went to peta and complained
You can tell that this little monkey was starting to protest. Not content with just being in a scene saving a human from quicksand, he pushed them in quicksand!
https://www.youtube.com/watch?v=uUe46ug9xRc
Back in the 60's there was a place folks used to throw keg parties and such. It was a natural creek that had been diverted to cool parts of Kaiser Aluminum's Mead Facility.