Don's previous suggested threads:
https://home.uchicago.edu/~rjr6/articles/Instinct--Encyclopedia%20of%20Animal%20Behavior.pdf
Animal Instincts: Not What You Think They Are
Marc Bekoff explains how many different animal species show grief, friendship, gratitude, wonder, and a range of other emotions.
greatergood.berkeley.edu
The Sound of Running Water Puts Beavers in the Mood to Build
This one weird trick can help you exploit a beaver's natural instincts.
www.mentalfloss.com
Note also: The article on "the sound of running water puts beavers in the mood to build" might also be an example of how outside influences trigger resulting behaviors, as seems to be a part of the "image" theory.