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Hybridization in Canis (Canidae) in Oklahoma

Hybridization in Canis (Canidae) in Oklahoma

Southwestern Naturalist, 243: 485-499

Cranial and dental measurements (15) were taken from 138 wild Canis collected during 1975-1976 and from 114 specimens collected during 1953-1970. These were compared to known target populations of coyotes (C. latrans), red wolves (C. rufus), gray wolves, dogs (C. familiaris) and coyote .times. dog hybrids by discriminant function and canonical variable analyses and were, along with weight and pelage color, used to assign each specimen. Measurements of current (1975-1976) specimens were compared with those of older (1953-1970) samples to test for temporal changes. Most current Oklahoma specimens were coyote-like, with 82.9% of the males and 78.6% of the females classified as coyotes. Evidence of coyote .times. dog hybridization was found in 14.6 and 10.7% of the males and females, respectively. Red wolf .times. coyote ancestry was evident in 2.4% of the males and 10.7% of the females. Temporal comparisons indicated consistent levels of hybridization except in southeastern Oklahoma, where red wolf influence is declining.

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Accession: 000903975

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DOI: 10.2307/3671304

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