There's a lot to like about (Like) It only seemed to slow up around the gorillas introduction, but it's a small thing - the long run time did not upset me; I was thoroughly captured. I'm giving you 5 stars because you clearly had every element of this piece worked out, and you followed through on it, being objective and tenacious, to say the least.
Thanks for bringing this to NG and I hope you've learned some shortcuts in the animation process, because you should continue with bringing your concepts to light.