I bought a pocket camcorder about 5 years ago. That was for chasing the kids around as it has continuous auto focus, which many consumer level DSLRs lack for video. My camcorder can zoom quite a ways, but its mostly a farce. Unless its mounted on a rock solid tripod and there's no wind on my side, it wouldn't record far off wildlife for a damn. Good luck if the critter starts moving. That t2i and a 55-250mm STM IS is probably going to be as good as it gets for reaching out and videoing wildlife, but you'll have to draw your own conclusion between weight and video quality. Personally, I'd take it. My last backpacking trip in WA was through The Enchantments and though I didn't know squat about controlling my DSLR like I do today, I'm sure glad I carried it with, as I now have much, much better images I can look back on for the rest of my life should I never make it back up there. YMMV.