Realize that bucktail is only the tail hair but you can use the body hair on flies or jigs if it is long enough for the tye you are tying. What it great about tying with bucktail is the different size jigs/flies you can tie. I tie some that are 5'' long and other that are 2'' long. Each jig has its uses and these two materials all far apart but in the same since can be used the same way. Confused yet, don't be. The best way to lean what materials do is to tie them and get them in the water so you can see the movement of the tails.
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Ascend 133X 13' - MotorGuide Xi3 & Mercury 4