Gestation period 38-85 days, including delayed implantation. Embryos implant and grow actively for 30-32 days prior to birth. Litters average 4, and range from 1-10. Young disperse in autumn. Females may breed at 1 yr.
Minks occasionally are prey for owls, bobcats, foxes, and domestic dogs.
Can influence prey population numbers, particularly muskrats, at times. Relatively tolerant of human activities. Activity patterns of the mink Mustela vison Schreber in southern Sweden. Grinnell, J., J. S. Dixon, and J. M. Linsdale. Fur-bearing mammals of California.