Deer hunters report successful firearms opening weekend The Maryland Department of Natural Resources says that hunters reported 11,054 deer taken on the opening weekend of the 2020 Maryland firearm season, Nov. 28-29. The harvest was 19 percent higher than last yearâs official first weekend harvest of 9,272. The 2020 total includes 4,932 antlered and 5,799 antlerless white-tailed deer, and 163 antlered and 160 antlerless sika deer. In Frederick County, 492 antlered and 665 antlerless deer were taken opening day, Nov. 28; 153 antlered and 197 antlerless were harvested Nov. 29. the season closes Dec. 12. Muzzleloader deer season reopens Dec. 19 The muzzleloader deer hunting season in Maryland reopens Dec. 19 and runs through Jan. 2, 2021. This is the second half of the split season. Duck season runs Dec. 15 through Jan. 30, 2021; mourning doves Dec. 19 through Jan. 9, 2021; squirrel and rabbit seasons continue through Feb. 27, 2021; and ruffed grouse through Jan. 31, 2021. Hunters are encouraged to consult the Maryland Guide to Hunting and Trapping for information on bag limits, registration procedures and other regulations.