THE BEAR FACTS

American Black Bear (Ursus americanus)

 

Black Bear Diet

•Black bears are 'omnivorous' - meaning, they eat both plants and animal matter.

•However, animal matter (rodents, fish, carrion, insects and insect larvae, yellow-jackets, bees, beetles, ants, termites, catepillars nesting in trees) is eaten only when preferred foods are scarce.

•Throughout their range black bears primarily consume grasses, soft mast (shrubs & tree-borne fruits), and hard mast (nuts, acorns).

•Black bear are important in ecosystems because of their effects on populations of insects and fruits (i.e., they consume large numbers of insects and moth larvae, and help to disperse the seeds of the plants they eat).

•They are fond of honey and will gnaw through trees even if hives are set deeply into the trunks. They will scrape the honeycombs together with their paws and eat them, regardless of stings.

•Preferred foods: beech leaves, elm leaves, maple seedlings, the seedlings and leaves of the American white ash tree, sassafras saplings, dandelions.

Cades Cove in the Great Smoky Mountain National Park has many bears because of a high density of white oak trees, and berry bushes, including blackberry, blueberry, and huckleberry, raspberries, mountain-ash berries, and cherries. (1)

•Acorn mast is a staple of the bear's fall diet (chestnut oak and red oak acorns, white oak acorns, beechnuts, hazelnuts, hickories, black walnuts).

•They are seasonally attracted to prickly blackberry patches, serviceberries, blueberries, and the black cherry.

NOTE: a scarcity of preferred foods can result in failed reproduction, stunted growth, inadequate amounts of fat in their diet, and death of cubs

 

bear in tree
bear in tree
bear in tree

 

(1) Frequently Asked Questions About Smoky Mountain Black Bears, Steve Kemp and Kent Cave (Editors), Great Smoky Mountains Association, 2010.

 

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Dr. Ellen K. Rudolph, Photojournalist and Educator

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