About 3 yrs ago sitting in a deer blind watching 2 or three management bucks under a feeder in South Texas, my best friend and his 4 yr old son next to me. My buddy says to me "what is that?". I grab my binoculars and start scanning the oat patch and about 400 yards away see a dust trail heading towards the feeder. I'm not kidding, less than 20 seconds between his first words to me (while he has his binoculars in his hands) and I hear the safety click off and a report of the Savage .308 and get to see the coyote fall dead in his tracks. Not only was it pretty far, the coyote was running, and relatively small (maybe 25lbs). I joked with him saying that he just scared it to death and didn't really hit him. I was so impressed I ended the hunt right there and stepped off the distance to the yote and there it was half of its right face blown off from and exit wound. When he took the shot I hadn't fully comprehended exactly what it was running across that dusty dirt field. That's the best I've seen.
My personal best isn't close to most of the other stories here, but I'll share it anyway. On a paid hunt in deep south Texas, I'm guessing 15 years ago, the guide with me stops the truck one morning and gets his binoculars out to look down a power line right of way at a feeder and says "OK here's your chance at a Javelina." I quickly respond, no thanks, I don't want any stinking Havo... He says "well, we're currently trying to keep them in check they're hurting the quail population (I still don't think Javelinas are the reason they were fighting to keep quail around, the red ants are WAY more harmful to them). so we shoot all we see and then donate the meat to our local church, so please if you don't mind shoot one for me." I get the .270 out and lean across the hood, and he tells me the feeder they are under is about 275 yards off. So I settle in and wait for 2 to cross paths, squeeze the trigger and dropped them both. 1st one through the ear, 2nd right in the front shoulder.