. Bulletin. Science. CALIFORNIA GILA MONSTERS 43. Fig. 1. Ironwood wash woodland near Palen Pass, Riverside County, California. Granite Mountains are in the background. Photo by Jeff Lovich. hillslopes (Figure 1). The Chuckwalla Valley ranges from 200-350 m at the base of the Granite Mountains. The locality record was incorrectly reported by Jennings and Hayes (1994), as " km east of Desert Center in the Chuckwalla ; Similarly, De Lisle (1986) erroneously listed this specimen as ". . in the Chuckwalla Moun- tains, 25 miles east of Desert Center. ." The lower C
. Bulletin. Science. CALIFORNIA GILA MONSTERS 43. Fig. 1. Ironwood wash woodland near Palen Pass, Riverside County, California. Granite Mountains are in the background. Photo by Jeff Lovich. hillslopes (Figure 1). The Chuckwalla Valley ranges from 200-350 m at the base of the Granite Mountains. The locality record was incorrectly reported by Jennings and Hayes (1994), as " km east of Desert Center in the Chuckwalla ; Similarly, De Lisle (1986) erroneously listed this specimen as ". . in the Chuckwalla Moun- tains, 25 miles east of Desert Center. ." The lower Colorado River.—Woodson (1949) published the details of a news- paper account (without citing the newspaper or date), describing a Gila monster that was discovered ". .near Blythe, a few miles west of the Colorado River on the California ; Workers uncovered a cm juvenile Gila monster while tearing down a building near an airport. In spite of this observation, Woodson did not believe that the species was indigenous to California and considered earlier sightings to be escaped pets or misidentified chuckwallas (Sauromalus obesus). Another Gila monster was killed by a night watchman at Imperial Dam, on the California side of the Colorado River, in June, 1964. The specimen was apparently given to the Arizona Game and Fish Office in nearby Yuma, Arizona, but the final disposition of the specimen is not known (Funk 1966). This was one of several Gila monsters reported by Funk from near Yuma. Observations occurred at elevations 30—45 m above sea level. Vegetation is typical of lower elevations of the Colorado Desert subdivision of the Sonoran Desert, with sandy soils sup- porting creosote bush (Larrea tridentata), burrobush (Ambrosia dumosa), and Ephedra sp. in well-drained areas, and riparian plant species (Pluchea sericea, Prosopis juliflora, Tamarix ramosissima) near the many irrigation canals. It is worth noting that the record on the California side of the C
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