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In May 2011, an examination of 48,000 single nucleotide polymorphisms in red wolves, eastern wolves, gray wolves, and dogs indicated that the red and eastern wolves were hybrid species, with the red wolf being 76% coyote and 20% gray wolf, and the eastern wolf being 58% gray wolf and 42% coyote, finding no evidence of being distinct species in ...
The coyote is typically smaller than the gray wolf, but has longer ears and a relatively larger braincase, [7] as well as a thinner frame, face, and muzzle. The scent glands are smaller than the gray wolf's, but are the same color. [9] Its fur color variation is much less varied than that of a wolf. [13]
The proposed timing of the wolf/coyote divergence conflicts with the finding of a coyote-like specimen in strata dated to 1 million years before present. [41] In 2017 a group of canid researchers challenged the 2016 whole-genome DNA study's finding that the red wolf and the eastern wolf were the result of recent coyote–gray wolf hybridization.
This canine has been named Canis latrans var. [3] and has been referred to as the eastern coyote, northeastern coyote, coywolf, [4] and the southern tweed wolf. [5] [6]Coyotes and wolves first hybridized in the Great Lakes region, followed by a hybrid coyote expansion that created the largest mammalian hybrid zone known. [7]
The wolf (Canis lupus; [b] pl.: wolves), also known as the grey wolf or gray wolf, is a canine native to Eurasia and North America. More than thirty subspecies of Canis lupus have been recognized, including the dog and dingo , though grey wolves, as popularly understood, only comprise naturally-occurring wild subspecies.
The taxonomic status of the red wolf is debated. It has been described as either a species with a distinct lineage, [73] a recent hybrid of the gray wolf and the coyote, [10] an ancient hybrid of the gray wolf and the coyote which warrants species status, [74] or a distinct species that has undergone recent hybridization with the coyote. [75] [76]
In 2017, a single gray wolf was documented in Nevad a near the California line west of the Black Rock Desert about 120 miles (193 km) north of Reno. It later was determined to be a lone visitor ...
True members of Canis, namely the gray wolf and coyote, likely only arrived in the New World during the Late Pleistocene, where their dietary flexibility and/or ability to hybridize with other canids allowed them to survive the Quaternary extinction event, unlike the dire wolf. [14] Xenocyon (strange wolf) is an extinct subgenus of Canis. [15]