Life Cycle of the Woolly Bear Caterpillar. For the most part, adult black bears lead solitary lives, except when mating season takes place. As the name itself suggests, American Black bear is commonly seen in black color. In this lesson, you will learn the different stages of a life cycle of a deer. While black is the most common color of black bears in the Southeastern U.S., black bear coats in other areas can be cinnamon, blond, gray, or even white. A mother bear will typically give birth to one to three cubs and at a time, although occasionally she may have a litter of four. We do not receive any state or federal funding. Next, is when the baby cub and mother cub comes out of their den. The average lifespan in the wild is 25 years, while the oldest Asian black bear in captivity died at the age of 44. Black bears have delayed implantation, which means the blastocysts suspend further development until they implant in the uterine wall in November. They begin life as nearly hairless, extremely small, and helpless creatures unable to open their eyes for about a week. ... until it is ready to form a chrysalis and continue the life cycle. Help keep them wild by following these tips on. In the rarest of the rare occasions, American Black bear in white color can also be seen (not the polar bear). Black bear females typically produce cubs every two years once they become mature. Males may fight one another for access to … Cubs are born in the middle of the winter denning period, usually between mid-January and early February. The only species of bear that lives in the Southeastern U.S. is the black bear (Ursus americanus). Black bears are very smart and can identify food not only by smell but also by appearance. (13 full color and 13 black and white). Then, the family members separate, the mother mates again, and the 2-year cycle repeats. Letter B Sand Tray. Recycle wisely. The cubs can range in number from one to five and are typically six to eight inches long when they're born. Bears are among the least productive mammals in North America. Physiology > Evolution; Mock Experiment ; Powered by Create your own unique website with customizable templates. Help support our mission. Females can produce cubs every 2-3 years depending on the amount of food supply. However Blue-black, Brown and cinnamon colored bears are also there in this category. Babies are born blind. American Black Bear (Ursus americanus)Also known as Black Bear or North American Black Bear Species Code: URAM What they look like: The American Black Bear is the most common bear native to North America. In northeastern Minnesota, black bears mate in late May or June. 1926 Highway 169 Life Cycle Survival in the wild can be difficult for bear cubs. Teach your students in an exciting and entertaining way using these clipart graphics! Bears without cubs emerge in the early spring; mother bears and cubs emerge last usually in late March or early April. We used a Montessori mystery bag and blindfold for interest and to work on the stereognostic sense. This ritual of mating and reproduction has been going on for as long as there has been life on Earth. Cubs and their mothers stay in their dens for the rest of the winter while the mother bear rests and the cubs nurse and grow. The average lifespan of a black bear can be up to 18 years, and the oldest documented wild bear lived to 31. Asian black bear cubs will nurse for 104–130 weeks, and become independent at 24–36 months. Sperm fertilizes microscopic eggs in the uterus, and each egg quickly develops into a tiny ball of cells called a blastocyst. While bears of the same species might look similar, everything from their size, coloring, diet, and sleeping patterns depend on the bear and its location. 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