Wild animal encounters

Inspired by Maenoferren22's post here: viewtopic.php?f=16&t=1078
Hope he doesn't mind!

Sample output:

You see a drove of 3 wild oxen being driven in a panic 100 feet away and moving north.
You spot a herd of 5 elk a mile away and moving north.
You see a drove of 5 wild oxen 500 yards away and moving across the trail.
You find recent tracks or sign from a pack of 7 wolves trying to steal food from your encampment.
You spy a herd of 12 antelope 500 yards away and moving alongside the trail.
You spot a big cat trying to steal food from your encampment.
You spot a sounder of 4 wild boars a mile to the northeast.
You spot a sounder of 2 wild boars a mile to the northeast.
You find recent tracks or sign from an antelope being chased by a wolf 1000 yards away and moving alongside the trail.
You think there might be a herd of 11 antelope 200 yards away and moving away from the party.