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Title: A comparison of the herpetofaunas of Ranchos Los Fresnos and El Aribabi in northern Sonora, Mexico

Author: Rorabaugh, James C.; Servoss, Jeffrey M.; Boyarski, Valerie L.; Fernandez, Erin; Duncan, Doug; Elias, Carlos Robles; Bonine, Kevin E.;

Date: 2013

Source: In: Gottfried, Gerald J.; Ffolliott, Peter F.; Gebow, Brooke S.; Eskew, Lane G.; Collins, Loa C. Merging science and management in a rapidly changing world: Biodiversity and management of the Madrean Archipelago III and 7th Conference on Research and Resource Management in the Southwestern Deserts; 2012 May 1-5; Tucson, AZ. Proceedings. RMRS-P-67. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 103-109.

Publication Series: Proceedings (P)

   Note: This article is part of a larger document. View the larger document

Description: To compare and contrast herpetofaunas at Ranchos Los Fresnos and El Aribabi in north-central Sonora, México, we conducted herpetological surveys during 2006-2011, contacted others working in these two areas, and queried 27 museums and collections for specimens collected at or near these ranches. Based on this work, nine and seven amphibian, and 27 and 24 reptile species are known to occur at Ranchos El Aribabi and Los Fresnos, respectively. Significant findings at Los Fresnos include presence of presumed Sonora tiger salamanders (Ambystoma mavortium stebbinsi), of which there are only three localities in México; Arizona treefrog (Hyla wrightorum) at several sites; and Mexican gartersnake (Thamnophis eques); and at El Aribabi, Neotropical whipsnake (Coluber mentovarius), a range extension of 144 km, Tarahumara salamander (Ambystoma rosaceum) near the northern edge of its range, and Mexican gartersnake. Both ranches support non-native American bullfrogs (Lithobates catesbeianus) and non-native fishes. Non-native crayfish (Orconectes virilis) are also present at Rancho Los Fresnos. In total, 46 species of amphibians and reptiles were found, 22 of which occur on both ranches. Rancho Los Fresnos supports high grassland species not found at El Aribabi, while a number of typically Sonoran Desert or foothills thornscrub species found at El Aribabi were not encountered at Los Fresnos.

Keywords: Madrean Archipelago, Sky Islands, southwestern United States, northern Mexico, natural environment, fauna, flora, research, management, biodiversity, climate change

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Rorabaugh, James C.; Servoss, Jeffrey M.; Boyarski, Valerie L.; Fernandez, Erin; Duncan, Doug; Elias, Carlos Robles; Bonine, Kevin E. 2013. A comparison of the herpetofaunas of Ranchos Los Fresnos and El Aribabi in northern Sonora, Mexico. In: Gottfried, Gerald J.; Ffolliott, Peter F.; Gebow, Brooke S.; Eskew, Lane G.; Collins, Loa C. Merging science and management in a rapidly changing world: Biodiversity and management of the Madrean Archipelago III and 7th Conference on Research and Resource Management in the Southwestern Deserts; 2012 May 1-5; Tucson, AZ. Proceedings. RMRS-P-67. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 103-109.

 


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