come on you guy's. Blacktail deer will be in the rut clear throu december.And this is a fact. i hunt muzzleloader and we see lots of bucks every year in throu december that are still in the rut for sure. The deer are in the rut for more than a couple weeks. they are actually just starting to rut around thanksgiving. And if you want to know more about the blacktail rut. call kelly mcallister at the game department he's a biolagist. and knows the blacktail deer very well. the number is 1-360-902-2200. happy hunting to you all.And deer slayer if you need any info on this you can send me an email with your number and i will get back to you.