Here's a few screenies (as hints i guess) of a few. Sorry, I never figured out how to do the spoilers.
Firstly, the snakes:
Secondly, the Knots; there are more than 1:
Third, "Caught ya":
Fourth, butterflies, though they're not really an easter egg. lol.
Finally, fifth; are two out of 3 sets of prints. One feline, one canine. The third set is on mini-SB.
GOOD HUNTING!!