It’s mating season for some of Idaho’s large wildlife species which means males can become aggressive
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When large animals like moose, elk and deer are in rut, or breeding, males can become increasingly aggressive
To Idaho’s wildlife, fall is the time of year when many species of wildlife such as elk, moose, deer, pronghorn, bighorn sheep and mountain goats breed or go into rut. When in rut, they begin searching for a receptive female(s) to mate with.
During the rut, large bull elk will start to herd cow elk into their harem.
Rut lasts 4-6 weeks for moose, elk and deer. In Idaho, these three species are the common species that people are most likely to encounter in more urban areas. While there is some range in exact timing, elk rut in September, moose rut in late September into early October and deer in November.