They say it's easier to dial down than up in animation, so you're in a good spot here because the movement is way over-exaggerated which is actually a bit tough for me to watch, nonetheless nicely drawn and generally appealing to look at from that angle.
Not sure why the front feet come down so hard in a single frame?
Also would try to loosen the spine up - it's way stiff.
Head all the way around is the most distracting to me at least.
Good overlap on the tongue and decent on the tail.