Moose may be becoming resistant. May restrict moose distribution. In reproductive bekhavior, bulls do not gather harems, but gather in groups of mixed bulls and cows during rut. In most areas it has been found that maintaining a nearly equal ratio of bulls and cows is important for maximum reproduction. In these cases, bulls can be harvested, and enough remain to breed the available females.
Dominance hierarchy is important among bulls in rut, and among cows with calves.
Cow receptive 1 day at 22 day intervals 3 times per fall season. Peak rut mid September. Mid May. Calves will weigh 400-450 pounds by October. Seasonal shifts in habitat within home range is common. Moose are able to winter in deeper snow and browse higher than deer.