Some interesting info regarding the Red Wolf per eNature.com . . .
"The number of Red Wolves in existence is constantly changing, but recent counts indicate that there are at least 250 animals, most of which are in captive breeding facilities in the United States. There are perhaps 25 to 5O Red Wolves in the wild at Alligator River and perhaps 10 to 20 in the Great Smokies. Several other wolves live in the wild in a few other locations."
"Coyote is smaller, with smaller nose pad and hindfoot. Gray Wolf is larger."
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Range Originally se U.S, north to Missouri, Indiana, and Virginia, and west to Texas, but extirpated from all but sw Louisiana and se Texas by 1900. Reintroduced into Alligator River National Wildlife Refuge, in Dare County, North Carolina; Great Smoky Mountains National Park, Tennessee; Bull Island, South Carolina; Horn Island, Mississippi; and
St. Vincent Island, Florida."
eNature: FieldGuides: Species Detail