How to Tell a Black Bear Boar and Sow Apart.


Knowing how to tell a black bear boar and sow apart is an essential skill a first-time bear hunter must learn. Hunters’ misidentification of black bear sexes has resulted in far too many sows being taken accidentally.

By learning how to accurately field identify bear sexes you’ll:

  1. Improve the local bear population.
  2. Increase the number of hunting tags issued each season.
  3. Assist your local wildlife authorities to expand the black bear hunting season.
  4. Shorten the wait times between drawing tags.

Related: Calling black bear during the fall.

How to Tell a Black Bear Boar and Sow Apart.
Sometimes telling a boar from a sow is easy—if there’s a cub in tow, it is a sow.

How to tell a black bear boar and sow apart.

In the field, you’ll sometimes get a break and make an easy identification of a black bear’s sex. A bear accompanied by cubs is a sow. A bear that gives you a goodIn the field, you’ll sometimes get a break and make easy identification of a black bear’s sex. A bear accompanied by cubs is a sow. A bear that gives you a good look at its rear might have a visible set of testicles. look at it’s rear, might have a visible set of testicles.

But for every other situation, you’ll have to rely on a few other clues to make a successful identification.

To identify a bear’s sex, learn what a boar looks like. Boars are square-shaped, with heavy, drooping bellies and shoulders that stand above their rears, and a boar’s legs are broad and thick right to their feet. Boars have large and often scarred heads with a crease down the middle of the forehead.

How to Tell a Black Bear Boar and Sow Apart.
A closeup of a Black Bear boar. Note the crease in the forehead. Photo Credit: IStockphoto.com/Clayton Rowe.

The ears of a black bear can also be a clue. A boar’s ears are small and often look pushed off to the side. A sow’s ears are pointy and centered on the forehead. In the field, a giant boar has ears that look comically placed and displaced by the growth of its skull.

Related: What does black bear poop look like.

How to tell a black bear boar
Black bear sow crossing a field in Minnesota. Note the distinctive, large and pointed ears.

Related: Black bear hunting tips for beginners.

What a black bear is doing is also indicator of its sex.

As always, a black bear accompanied by cubs or other smaller bears, should be considered a sow.

How to Tell a Black Bear Boar and Sow Apart.
Don’t let the colors fool you, that’s a black bear sow with her cubs in Yellowstone Park.

A black bear standing upright and scratching its back on a tree trunk during mating season is always a boar. That boar is marking the tree with its scent and advertising himself to any sows passing through its territory.

How to Tell a Black Bear Boar and Sow Apart.
Standing black bear boar rubs its back on a tree trunk. IStockphoto.com/NReflect.

Spending some time glassing bears in the field or watching them over a bait pile

Test your black bear boar and sow identification skills.

If you saw these black bears in the field (some photos were taken in captivity) what sex would you identify them as?

How to Tell a Black Bear Boar and Sow Apart.
Captive black bear. IStockphoto.com/Isabella.

Answer: This a young boar. Note the testicles between the rear legs.

How to Tell a Black Bear Boar and Sow Apart.
Black bear (believed to captive).

Answer: Boar. Note the hump in the back, the height of the front shoulders (above) the rear legs. Also worth noting is The straight line width of its legs–all the way down to its flat feet.

How to Tell a Black Bear Boar and Sow Apart.
Not much time to take your shot on this one! Boar or sow?

Answer: Boar (crease in forehead).

How to Tell a Black Bear Boar and Sow Apart.
Black bear on the Alligator River National Wildlife refuge.

Answer: Young boar—we think! And this is what you will face in the field. While this bear has the rear heft of a female, the ears and front legs suggest a possible boar. This target will require much examination and perhaps changes in position to verify its sex.

Experience will improve your black bear sex identification skills.

Trust me, you’ll get better at telling the difference between black bear boars and sows. But, there will be a few mistakes made along the way. One thing you can do, is commit to waiting until you have a large bear visible and being willing not to take the shot if in doubt.

It’s that level of self-control that proves you are real bear hunter.

Related: 4 bear hunting tips.

Dennis V. Gilmore Jr.

Dennis V. Gilmore Jr. is a former Marine Sergeant and the author of several books, including two on night hunting coyotes and red and gray fox. He has written several hundred articles on predator hunting for ThePredatorHunter.com.

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