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526
Mesoamerican Herpetology June 2016 | Volume 3 | Number 2
Other Contributions Distribution Notes
Family Viperidae
Crotalus intermedius (Troschel, 1865). MEXICO:
HIDALGO: Municipio de Singuilucan, Ejido Sierra de
las Navajas (20.0885°N, -98.5556°W; WGS 84); elev.
3,134 m; 11 October 2014. The specimen (CH-CIB
4553) was found by a local resident and donated to the
Centro de Investigaciones Biológicas, where it later
died. Another individual (a male) was found near the
same locality (20.0850°N, -98.571°W; WGS 84); elev.
2,913 m; 19 June 2015; Cristian Raúl Olvera-Olvera,
photo voucher (CH-CIB 37; Fig 1.). Subsequently,
we found another individual (a female) ca. 1.7 km SE
from the first record (20.0809°N, -98.5412°W; WGS
84); elev. 3,130 m; 27 February 2016; Cristian Raúl
Olvera-Olvera; photo voucher (CH-CIB 61; Fig 1).
The specimen (CH-CIB 4553) and photo vouchers are
deposited in the herpetological collection and in the
photographic collection, respectively, of the Centro
de Investigaciones Biológicas, Universidad Autónoma
del Estado de Hidalgo. These records represent a new
municipality for the species, with the closest known
published locality ca. 15.7 km W (airline distance) in
the vicinity of Azoyatla, Municipio de Mineral de la
Reforma (Fernández-Badillo et al., 2013). The eleva-
tional distribution also increases 114 m from the high-
est reported record near Ixtlán de Juárez, Oaxaca, at
3,020 m (McCranie, 1991). Previously, Campbell and
Lamar (2004) reported C. intermedius to be sympat-
ric with two other species of montane rattlesnakes, C.
ravus and C. triseriatus. Herein we report, for the first
time, sympatry between C. intermedius and C. aquilus.
Acknowledgments.––Funding and logistical
support was provided by Project FOMIX-CONACyT-
HGO-2012-191908. We are grateful to Norma
Manríquez-Moran, Luis Canseco-Márquez, and Irene
Goyenechea for their support, and especially thank
Jonathan Campbell for reviewing the manuscript and
providing suggestions with the English version.
Literature Cited
Campbell, J. a., and W. W. lamar. 2004. The Venomous Reptiles
of the Western Hemisphere. 2 Volumes. Comstock Pub-
lishing Associates, Cornell University Press, Ithaca, New
York, United States.
Fernández-badillo, l., n. morales-Capellán, i. GoyeneChea,
and U. hernández-salinas. 2013. Geographic Distribution.
Crotalus intermedius (Mexican Small-headed Rattlesnake).
Herpetological Review 44: 475–476.
mCCranie, J. r. 1991. Crotalus intermedius. Mexican Small-
headed Rattlesnake. Catalogue of American Amphibians and
Reptiles: 519.1–519.4.
Fig 1. Crotalus intermedius (A: CH-CIB 4553; B:
CH-CIB 37; C: CH-CIB 61) from Ejido Sierra de las
Navajas, Municipio de Singuilucan, Hidalgo, Mexico.
'© Leonardo Fernández Badillo (A) and Cristián Raúl
Olvera-Olvera (B, C).
527
Mesoamerican Herpetology June 2016 | Volume 3 | Number 2
Other Contributions Distribution Notes
Leonardo Fernández-BadiLLo1,2, Cristian raúL oLvera-oLvera1, and Ferdinand torres-angeLes1
1Centro de Investigaciones Biológicas (CIB), Universidad Autónoma del Estado de Hidalgo, Ciudad del Conocimiento,
Km 4.5 Carretera Pachuca-Tulancingo, Col. Carboneras, 42181 Mineral de la Reforma, Hidalgo, Mexico.
E-mail: cyrtopsis@hotmail.com (LFB, Corresponding author)
2Predio Intensivo de Manejo de Vida Silvestre X-Plora Reptilia, Carretera Mexico-Tampico s/n, Pilas y granadas, 43350,
Metztitlan, Hidalgo, Mexico. E-mail: xplorareptilia@hotmail.com
Notable distributional records of amphibians
and reptiles from Guerrero, Mexico
Although Guerrero contains one of the richest herpetofaunas of any state in Mexico, it remains one of the least stud-
ied. Pérez-Ramos et al. (2000) provided the last review of the herpetofauna of the state, and since that time several
new species have been described, new records have been reported, and other updates are pending (R. Palacios-
Aguilar and O. Flores-Villela, unpublished). After an exhaustive examination of specimens collected by students
and teachers from the Universidad Autónoma de Guerrero during the course “Biología de Campo” from 2000 to
2015, herein we report new distributional records for five species (four reptiles, one amphibian) in the state, includ-
ing a new state record (see Fig. 1). The symbolic codes for museum collections below follow Sabaj Pérez (2014).
Fig. 1. Map showing the location of new records from the state of Guerrero, Mexico.