No restrictions on hybrid wolves, however 50% or higher wolves must have permanent ID. Current legislation in progress regarding wolves.
Hybrid cats are not restricted.
12.6.19: Reporting and Tatooing of Bears, Wolves, Tigers, Mountain Lions, and Coyotes Captured or Held in Captivity
Manager, Commercial Wildlife Permitting
Montana Fish, Wildlife & Parks
Currently, a permit is not required, only the tattooing of anything more than half wolf. As you may appreciate, it is next to impossible to determine the percentage of wolf a hybrid wolf is. At the least, I expect that law to change to “anything that is part wolf” in the next legislative session. It is also possible that possession of wolves and wolf hybrids may be more strictly controlled or completely prohibited following our next legislative session in 2009. We now have a fairly controversial population or reintroduced wild wolves in Montana and have had incidences of livestock depredation that was traced to what has been determined to be wolves or wolf hybrids that were not wild, introduced wolves, but wolves possessed illegally without tattoo identification. The wild wolves are having a hard enough time gaining acceptance without the blame of depradation caused by captive bred wolves. Also, livestock killed by captive bred wolves is not covered by compensation to the rancher.
Regarding hybrid cats, not sure how to answer that. A permit is required to possess a large cat or to breed and sell captive reared bobcat or lynx or hybrids therof. I’ve attached tha license requirements, laws and regulations regarding roadside menageries, wild animal menageries, or fur farms, one of which would be required to possess large cats (or hybrids) or bobcat or lynx (or hybrids). When it comes to servals, bengal cats, jungle cats, or some of those species, they are generally an uncontrolled species in Montana.
Disclaimer: Please check all local, city, county, township, homeowners’ ordinances in your area first before acquiring any hybrid or exotic animals.