Bears are carnivoran mammals belonging to the family Ursidae, classified as caniforms. Eight species exist, inhabiting diverse habitats across the Northern Hemisphere and parts of the Southern Hemisphere, specifically North America, South America, and Eurasia. They are characterized by large, stocky bodies, long snouts, small, rounded ears, shaggy hair, plantigrade paws with five nonretractile claws, and short tails.
In 1902, American statesman Theodore Roosevelt refused to shoot an American black bear tied to a tree, leading to the creation of teddy bears, stuffed toys in the form of bears.
In 1944, Smokey Bear was introduced as a part of American culture with the message "Only you can prevent forest fires".
In 1982, The Care Bears began as greeting cards and were later featured as toys, on clothing, and in film.
In 1992, McLellan and Reiner created a cladogram of the subfamilies of bears, contributing to one phylogenetic hypothesis classifying all bear species into seven subfamilies.
In 1997, McKenna et al. classified all the bear species into the superfamily Ursoidea, with Hemicyoninae and Agriotheriinae being classified in the family "Hemicyonidae".
In 2005, a molecular phylogenetic analysis of six genes by Flynn was conducted to show the relationship of the bear family with other carnivorans.
In 2006, the Sichuan Giant Panda Sanctuaries, home to around 30% of the wild panda population, gained a UNESCO World Heritage Site designation.
In 2014, Qiu et al. contributed to a cladogram of the subfamilies of bears, furthering a phylogenetic hypothesis classifying all bear species into seven subfamilies.
In 2018, the musteloids were updated following the multigene analysis of Law et al. to show the relationship of the bear family with other carnivorans.
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