is a good website
For beaver you want 330s, the biggest footholds you can use legally, and snares. The # of each depends on how much ground you'll be covering and how.
"Knowing when to shoot and when to wait is one sign of maturity in a bowhunter. Be patient and pick your aim point carefully." ~ Randy Ulmer
"I suppose it's the way of hunters. We are very odd fellows." ~ Peter Hathaway Capstick