75:
50:
31:
263:
guard hairs having black tips. The underparts, legs and feet are white or creamy in color, and the tail is paler on its undersurface. There are dark streaks on the side of the face and a pale ring surrounds the eye. There is a white spot on the inner margin of the ear, a white patch under the ear and a small buff one behind it.
292:
in winter. Animals caught by live trapping on a cold night can appear dead in the morning but soon recover when warmed. The diet consists primarily of seeds which it carries back to its burrow in its cheek pouches and consumes there, leaving a littering of husks on the floor. Excess food is cached in
262:
Merriam's pocket mouse is a small species with a smooth silky coat. Adults average 115 mm (4.5 in) in total length including a tail averaging 65 mm (2.6 in) but the size and shade vary across the animal's range. The general color is yellowish with a dark sheen caused by the longer
280:
trees. An entrance to a burrow is often located at the base of a grass tussock or other plant, the roots of which stabilise the earth, and is loosely plugged with soil when the mouse is inside. In one of the burrows is a nest chamber. This has food stores round the edge and a nest of grass, small
275:
and spends the day in a shallow burrow with several entrances. It excavates tunnels by digging with its forefeet and pushing soil backwards with its hind feet, spreading the spoil over the surface of the ground. There are short side tunnels, some used for depositing fecal pellets and others for
356:
Merriam's pocket mouse has a wide range including some protected areas and a presumed large total population. It is common in places but has a patchy distribution. The population trend is steady and the animal faces no known major threats, so the
293:
store rooms in the burrow. It may also eat some greenstuff and insects. It does not need to drink water because its requirements are met from its food and it passes small quantities of very concentrated
297:. In captivity, a Merriam's pocket mouse has lived on a diet of seeds but without water for four years, but the lifespan of wild individuals is shorter and may be in the range of 22 to 33 months.
281:
twigs and husks at one side. In Texas, breeding takes place between March and
November. A litter normally consists of three to six young and there may be more than one litter in the year.
1187:
995:
550:
1182:
1073:
1137:
969:
1192:
1172:
1008:
1157:
1152:
456:
1162:
1177:
543:
276:
storing seeds. The mouse has a home range with several burrows located within it, and sometimes conceals itself under rocks or fallen
1167:
1034:
528:
1052:
1013:
536:
1047:
930:
632:
74:
438:
1147:
656:
624:
1078:
791:
688:
908:
839:
815:
775:
680:
720:
640:
664:
648:
870:
672:
935:
1099:
854:
736:
301:
169:
1142:
956:
917:
783:
241:
823:
799:
728:
696:
39:
1065:
807:
752:
712:
514:
420:
416:
233:
69:
1104:
1000:
1086:
943:
744:
704:
462:
452:
337:
1091:
922:
1114:
504:
446:
185:
1026:
387:
Linzey, A. V.; Timm, R.; Álvarez-Castañeda, S. T.; Castro-Arellano, I.; Lacher, T. (2008).
254:" as a means of characterizing ecological areas with similar plant and animal communities.
434:
329:
1131:
1021:
442:
397:
362:
321:
229:
59:
54:
30:
948:
560:
272:
209:
136:
1060:
1039:
982:
902:
766:
615:
564:
289:
246:
146:
893:
604:
388:
217:
284:
At temperatures below 10 °C (50 °F) Merriam's pocket mouse becomes
466:
309:
251:
237:
86:
887:
592:
586:
345:
313:
277:
221:
106:
974:
518:
987:
598:
580:
285:
244:, a biologist who first described several other members of the genus
213:
205:
126:
116:
96:
864:
509:
492:
294:
225:
448:
Mammal
Species of the World: A Taxonomic and Geographic Reference
358:
961:
868:
532:
451:(3rd ed.). Johns Hopkins University Press. p. 858.
308:) has been known to eat Merriam's pocket mouse. Larger
288:
and in some parts of Texas it may become dormant or
877:
764:
613:
544:
8:
300:When both are caught in a single trap, the
250:, and first elucidated the principle of a "
865:
551:
537:
529:
491:Best, Troy L.; Skupski, Marian P. (1994).
48:
29:
20:
508:
1188:Least concern biota of the United States
374:
486:
484:
482:
480:
478:
476:
382:
380:
378:
7:
1183:Least concern biota of North America
1138:IUCN Red List least concern species
398:IUCN Red List of Threatened Species
236:, desert areas with scrub and arid
14:
271:Merriam's pocket mouse is mainly
240:. The species is named to honor
73:
1193:Taxa named by Joel Asaph Allen
1173:Fauna of the Chihuahuan Desert
1:
1158:Natural history of New Mexico
1153:Rodents of the United States
633:Narrow-skulled pocket mouse
1163:Natural history of Oklahoma
625:Little desert pocket mouse
361:has listed it as being of "
212:. It is found in northeast
1209:
826:(Perognathus longimembris)
792:Olive-backed pocket mouse
731:(Chaetodipus penicillatus)
651:(Chaetodipus californicus)
302:northern grasshopper mouse
1178:Mammals described in 1892
851:
840:Great Basin pocket mouse
816:San Joaquin pocket mouse
776:White-eared pocket mouse
707:(Chaetodipus intermedius)
681:Long-tailed pocket mouse
575:
559:Extant species of family
175:
168:
70:Scientific classification
68:
46:
37:
28:
23:
1168:Natural history of Texas
802:(Perognathus flavescens)
665:Chihuahuan pocket mouse
657:Dalquest's pocket mouse
649:California pocket mouse
832:Merriam's pocket mouse
818:(Perognathus inornatus)
794:(Perognathus fasciatus)
747:(Chaetodipus rudinoris)
689:Goldman's pocket mouse
673:San Diego pocket mouse
659:(Chaetodipus dalquesti)
627:(Chaetodipus arenarius)
24:Merriam's pocket mouse
834:(Perognathus merriami)
778:(Perognathus alticola)
755:(Chaetodipus spinatus)
737:Sinaloan pocket mouse
721:Nelson's pocket mouse
715:(Chaetodipus lineatus)
699:(Chaetodipus hispidus)
691:(Chaetodipus goldmani)
683:(Chaetodipus formosus)
667:(Chaetodipus eremicus)
641:Bailey's pocket mouse
445:; Reeder, D.M (eds.).
196:Merriam's pocket mouse
1100:Paleobiology Database
723:(Chaetodipus nelsoni)
643:(Chaetodipus baileyi)
439:"Family Heteromyidae"
306:Onychomys leucogaster
923:Perognathus_merriami
909:Perognathus merriami
879:Perognathus merriami
842:(Perognathus parvus)
824:Little pocket mouse
810:(Perognathus flavus)
800:Plains pocket mouse
786:(Perognathus amplus)
784:Arizona pocket mouse
739:(Chaetodipus pernix)
729:Desert pocket mouse
697:Hispid pocket mouse
675:(Chaetodipus fallax)
495:Perognathus merriami
391:Perognathus merriami
242:Clinton Hart Merriam
201:Perognathus merriami
179:Perognathus merriami
808:Silky pocket mouse
753:Spiny pocket mouse
713:Lined pocket mouse
635:(Chaetodipus artus)
342:Lanius ludovicianus
40:Conservation status
745:Baja pocket mouse
705:Rock pocket mouse
419:}}: old-form url (
326:Athene cunicularia
234:shortgrass prairie
204:) is a species of
1148:Rodents of Mexico
1125:
1124:
1087:Open Tree of Life
871:Taxon identifiers
862:
861:
568:
501:Mammalian Species
458:978-0-8018-8221-0
338:loggerhead shrike
232:. Its habitat is
193:
192:
63:
16:Species of rodent
1200:
1118:
1117:
1108:
1107:
1095:
1094:
1082:
1081:
1069:
1068:
1056:
1055:
1043:
1042:
1030:
1029:
1017:
1016:
1004:
1003:
991:
990:
978:
977:
965:
964:
952:
951:
939:
938:
926:
925:
913:
912:
911:
898:
897:
896:
866:
566:
553:
546:
539:
530:
523:
522:
512:
488:
471:
470:
431:
425:
424:
413:
411:
409:
384:
181:
161:P. merriami
78:
77:
57:
52:
51:
33:
21:
1208:
1207:
1203:
1202:
1201:
1199:
1198:
1197:
1128:
1127:
1126:
1121:
1113:
1111:
1103:
1098:
1090:
1085:
1077:
1072:
1064:
1059:
1051:
1046:
1038:
1033:
1025:
1020:
1012:
1007:
999:
994:
986:
981:
973:
968:
960:
955:
947:
942:
934:
929:
921:
916:
907:
906:
901:
892:
891:
886:
873:
863:
858:
847:
760:
609:
571:
557:
527:
526:
510:10.2307/3504305
490:
489:
474:
459:
433:
432:
428:
414:
407:
405:
386:
385:
376:
371:
354:
269:
260:
189:
183:
177:
164:
72:
64:
53:
49:
42:
17:
12:
11:
5:
1206:
1204:
1196:
1195:
1190:
1185:
1180:
1175:
1170:
1165:
1160:
1155:
1150:
1145:
1140:
1130:
1129:
1123:
1122:
1120:
1119:
1109:
1096:
1083:
1070:
1057:
1044:
1031:
1018:
1005:
992:
979:
966:
953:
940:
927:
914:
899:
883:
881:
875:
874:
869:
860:
859:
852:
849:
848:
846:
845:
837:
829:
821:
813:
805:
797:
789:
781:
772:
770:
762:
761:
759:
758:
750:
742:
734:
726:
718:
710:
702:
694:
686:
678:
670:
662:
654:
646:
638:
630:
621:
619:
611:
610:
608:
607:
601:
595:
589:
583:
576:
573:
572:
565:Perognathinae
558:
556:
555:
548:
541:
533:
525:
524:
472:
457:
426:
373:
372:
370:
367:
353:
350:
330:long-eared owl
268:
265:
259:
256:
208:in the family
191:
190:
184:
173:
172:
166:
165:
158:
156:
152:
151:
144:
140:
139:
134:
130:
129:
124:
120:
119:
114:
110:
109:
104:
100:
99:
94:
90:
89:
84:
80:
79:
66:
65:
47:
44:
43:
38:
35:
34:
26:
25:
15:
13:
10:
9:
6:
4:
3:
2:
1205:
1194:
1191:
1189:
1186:
1184:
1181:
1179:
1176:
1174:
1171:
1169:
1166:
1164:
1161:
1159:
1156:
1154:
1151:
1149:
1146:
1144:
1141:
1139:
1136:
1135:
1133:
1116:
1110:
1106:
1101:
1097:
1093:
1088:
1084:
1080:
1075:
1071:
1067:
1062:
1058:
1054:
1049:
1045:
1041:
1036:
1032:
1028:
1023:
1019:
1015:
1010:
1006:
1002:
997:
993:
989:
984:
980:
976:
971:
967:
963:
958:
954:
950:
945:
941:
937:
932:
928:
924:
919:
915:
910:
904:
900:
895:
889:
885:
884:
882:
880:
876:
872:
867:
857:
856:
850:
844:
843:
838:
836:
835:
830:
828:
827:
822:
820:
819:
814:
812:
811:
806:
804:
803:
798:
796:
795:
790:
788:
787:
782:
780:
779:
774:
773:
771:
769:
768:
763:
757:
756:
751:
749:
748:
743:
741:
740:
735:
733:
732:
727:
725:
724:
719:
717:
716:
711:
709:
708:
703:
701:
700:
695:
693:
692:
687:
685:
684:
679:
677:
676:
671:
669:
668:
663:
661:
660:
655:
653:
652:
647:
645:
644:
639:
637:
636:
631:
629:
628:
623:
622:
620:
618:
617:
612:
606:
603:Superfamily:
602:
600:
596:
594:
590:
588:
584:
582:
578:
577:
574:
569:
567:(Pocket mice)
562:
554:
549:
547:
542:
540:
535:
534:
531:
520:
516:
511:
506:
502:
498:
496:
487:
485:
483:
481:
479:
477:
473:
468:
464:
460:
454:
450:
449:
444:
440:
436:
430:
427:
422:
418:
404:
400:
399:
394:
392:
383:
381:
379:
375:
368:
366:
364:
363:least concern
360:
351:
349:
347:
343:
339:
335:
331:
327:
323:
322:burrowing owl
319:
315:
311:
307:
303:
298:
296:
291:
287:
282:
279:
274:
266:
264:
257:
255:
253:
249:
248:
243:
239:
235:
231:
230:United States
227:
223:
219:
215:
211:
207:
203:
202:
197:
187:
182:
180:
174:
171:
170:Binomial name
167:
163:
162:
157:
154:
153:
150:
149:
145:
142:
141:
138:
135:
132:
131:
128:
125:
122:
121:
118:
115:
112:
111:
108:
105:
102:
101:
98:
95:
92:
91:
88:
85:
82:
81:
76:
71:
67:
61:
56:
55:Least Concern
45:
41:
36:
32:
27:
22:
19:
878:
853:
841:
833:
831:
825:
817:
809:
801:
793:
785:
777:
765:
754:
746:
738:
730:
722:
714:
706:
698:
690:
682:
674:
666:
658:
650:
642:
634:
626:
614:
561:Heteromyidae
503:(473): 1–7.
500:
494:
447:
443:Wilson, D.E.
435:Patton, J.L.
429:
406:. Retrieved
402:
396:
390:
355:
341:
333:
325:
317:
312:include the
305:
299:
283:
270:
261:
245:
210:Heteromyidae
200:
199:
195:
194:
178:
176:
160:
159:
147:
137:Heteromyidae
18:
1143:Perognathus
1061:NatureServe
983:iNaturalist
903:Wikispecies
767:Perognathus
616:Chaetodipus
563:(subfamily
258:Description
247:Perognathus
186:J. A. Allen
148:Perognathus
1132:Categories
605:Geomyoidea
369:References
346:gray foxes
218:New Mexico
579:Kingdom:
417:cite iucn
408:30 August
334:Asio otus
318:Tyto alba
310:predators
290:hibernate
273:nocturnal
252:life zone
238:shrubland
155:Species:
93:Kingdom:
87:Eukaryota
1066:2.104376
1053:12700360
1001:10994940
894:Q1769211
888:Wikidata
855:Category
599:Rodentia
593:Mammalia
587:Chordata
585:Phylum:
581:Animalia
467:62265494
437:(2005).
314:barn owl
278:mesquite
267:Behavior
222:Oklahoma
133:Family:
127:Rodentia
117:Mammalia
107:Chordata
103:Phylum:
97:Animalia
83:Domain:
60:IUCN 3.1
1092:1004160
1040:1001954
975:2439560
597:Order:
591:Class:
519:3504305
336:), the
328:), the
320:), the
228:in the
143:Genus:
123:Order:
113:Class:
58: (
1115:110285
1112:uBio:
1014:552488
962:311921
936:153813
517:
465:
455:
352:Status
344:) and
286:torpid
214:Mexico
206:rodent
188:, 1892
1105:50215
1079:38670
1027:16637
996:IRMNG
988:44148
949:4F79B
515:JSTOR
441:. In
295:urine
226:Texas
1074:NCBI
1022:IUCN
1009:ITIS
970:GBIF
931:BOLD
463:OCLC
453:ISBN
421:help
410:2014
403:2008
359:IUCN
224:and
216:and
1048:MSW
1035:MDD
957:EoL
944:CoL
918:ADW
505:doi
365:".
1134::
1102::
1089::
1076::
1063::
1050::
1037::
1024::
1011::
998::
985::
972::
959::
946::
933::
920::
905::
890::
513:.
499:.
475:^
461:.
415:{{
401:.
395:.
377:^
348:.
220:,
570:)
552:e
545:t
538:v
521:.
507::
497:"
493:"
469:.
423:)
412:.
393:"
389:"
340:(
332:(
324:(
316:(
304:(
198:(
62:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
