HOME --> CLASS MAMMALIA
--> ORDER RODENTIA
--> SUBORDER MYOMORPHA
--> SUPERFAMILY Muroidea
--> FAMILY Cricetidae
--> SUBFAMILY Neotominae
--> GENUS Reithrodontomys
--> SUBGENUS Reithrodontomys
SPECIES Reithrodontomys (Reithrodontomys) megalotis
Author: | Baird, 1857. | Citation: | Mammalia in Repts. U.S. Expl. Surv., 8(1): 451. | Common Name: | Western Harvest Mouse | Type Locality: | México-USA boundary region, between Janos, Chihuahua, and San Luis Springs, Grant Co., New Mexico. | Distribution: | SC British Columbia and SE Alberta, Canada; through much of W and NC USA; south to N Baja California Norte and through interior México to C Oaxaca. | Status: | IUCN – Lower Risk (lc). | Comments: | Subgenus Reithrodontomys, megalotis species group. Formerly included R. zacatecae, which Hood et al. (1984) identified as a separate species. The substantial chromosomal variation reported (see Engstrom et al., 1981) cautions that yet other species are lumped under R. megalotis. Multivariate discrimination from R. montanus in Kansas demonstrated by Hoofer et al. (1999). Recent range expansions into NE Illinois (see Pigage and Pigage, 1994) and within N Texas (Yancey and Jones, 1997) reported; L. Choate (1997) discussed the clinal intergradation between the subspecies aztecus and megalotis on the Llano Estacado, Texas-New Mexico; southern range extension on Baja Peninsula reported by Rios and Alvarez-Castañeda (2002). See Webster and Jones (1982, Mammalian Species, 167). |
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| Offspring: | Synonyms:
alticolus Merriam, 1901 amoles A. H. Howell, 1914 arizonensis J. A. Allen, 1895 aztecus J. A. Allen, 1893 caryi A. H. Howell, 1935 catalinae (Elliot, 1904) cinereus Merriam, 1901 deserti J. A. Allen, 1895 distichlis von Bloeker, 1937 dychei J. A. Allen, 1895 hooperi Goodwin, 1954 klamathensis Merriam, 1899 limicola von Bloeker, 1932 longicaudus (Baird, 1857) nebrascensis J. A. Allen, 1895 nigrescens A. H. Howell, 1914 pallidus Rhoads, 1893 pectoralis Hanson, 1944 peninsulae (Elliot, 1903) ravus Goldman, 1939 santacruzae Pearson, 1951 saturatus J. A. Allen and Chapman, 1897 sestinensis J. A. Allen, 1903
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