Pine martens are (mostly) wild creatures well they can be pets but they will need a lot of stuff they can also be aggressive if you approach them with bad intentions they are also little assassins as they can kill alot of small animals the biggest being fox pups/kits their diet includes Birds, insects, small mammals, eggs, fungi, berries, and fox pups they are also pretty long and could enter burrows they breed when a female mates with a male their breeding period is at July - August