What geographic contrast exists between the primary habitats of *Arctodus simus* and *Arctodus angustus*?
Answer
*A. simus* was widespread on the mainland, while *A. angustus* was restricted to the California Channel Islands
*A. simus* had a vast distribution across mainland North America, while *A. angustus* inhabited a uniquely isolated area, specifically islands like Santa Rosa and Santa Cruz.
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