Animation exercises

These exercises are great, and they're not only for beginners, but also for more experienced animators to focus on improving specific skills. So these two lists are worth bookmarking.

http://www.11secondclub.com/forum/viewtopic.php?id=4773
http://www.animatorisland.com/51-great-animation-exercises-to-master/

Sooo, just adding 2 little pieces of advice. The first, if you want to do exercises, think up front what you want to work on. For example in these lists there are mechanics shots exercises and personality exercises (thinking character exercises!).
Second piece of advice. We learn by doing, as one person in the 2nd link says you shouldn't just read these things, you should do them!

I thought this was a neat example:

Ayyappan Radhakrishnan - Ball with character.