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is reported as "TancĂtaro, Michoacán, Mexico, altitude 5,000 ft" (5,000 ft = 1,524 m). It occurs at elevations between 1,525 and 2,380 metres (5,003 and 7,808 ft).
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Adult males may grow to more than 50 cm (20 in) in length, while females are smaller. The largest recorded length for a specimen was 68.2 cm (26.9 in).
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Campbell and Lamar (2004) found this species only to be active during the day. Within its range, night temperatures are low and seem to restrict its activity.
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Campbell JA, Lamar WW. 2004. The
Venomous Reptiles of the Western Hemisphere. Comstock Publishing Associates, Ithaca and London. 870 pp. 1500 plates.
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McDiarmid RW, Campbell JA, Touré T. 1999. Snake
Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp.
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1952. Taxonomic studies on rattlesnakes of
Mainland Mexico. Bull. Zool. Soc. San Diego 26:1-143.
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of
Threatened Species. The population trend was unknown when assessed in 2007.
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307:This species is classified as Endangered on the
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453:2001 Categories & Criteria (version 3.1)
353:10.2305/IUCN.UK.2007.RLTS.T64329A12770446.en
328:Ponce-Campos, P.; GarcĂa Aguayo, A. (2007).
291:. It is probably also found in northeastern
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283:in the Sierra de Coalcomán of southwestern
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411:Integrated Taxonomic Information System
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339:IUCN Red List of Threatened Species
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722:IUCN Red List endangered species
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492:Reptarium.cz Reptile Database
459:. Accessed 13 September 2007.
494:. Accessed 12 December 2007.
279:It is found in west-central
235:Tancitaran Dusky Rattlesnake
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732:Reptiles described in 1952
255:are currently recognized.
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84:Scientific classification
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247:found in west-central
346:: e.T64329A12770446.
303:Conservation status
54:Conservation status
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681:Open Tree of Life
556:Crotalus_pusillus
542:Crotalus pusillus
512:Crotalus pusillus
504:Taxon identifiers
487:Crotalus pusillus
405:Crotalus pusillus
332:Crotalus pusillus
230:Crotalus pusillus
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203:Crotalus pusillus
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25:Crotalus pusillus
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16:Species of snake
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603:iNaturalist
536:Wikispecies
359:18 November
259:Description
41:C. pusillus
716:Categories
384:(series).
315:References
253:subspecies
147:Suborder:
69:Endangered
392:(volume).
285:Michoacán
242:pit viper
233:, or the
179:Species:
161:Viperidae
151:Serpentes
107:Kingdom:
101:Eukaryota
47:, Mexico
45:Michoacán
727:Crotalus
699:pusillus
621:11053841
521:Wikidata
416:1 August
267:Behavior
239:venomous
172:Crotalus
157:Family:
141:Squamata
131:Reptilia
121:Chordata
117:Phylum:
111:Animalia
97:Domain:
74:IUCN 3.1
595:2444479
582:1056760
527:Q146494
490:at the
455:at the
289:Jalisco
245:species
237:, is a
210:Klauber
167:Genus:
137:Order:
127:Class:
72: (
686:899048
660:125871
634:585828
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295:. Its
293:Colima
281:Mexico
249:Mexico
212:, 1952
673:98415
647:64329
616:IRMNG
608:30760
251:. No
655:NCBI
642:IUCN
629:ITIS
590:GBIF
569:ZPCT
437:ISBN
418:2007
386:ISBN
378:ISBN
361:2021
344:2007
577:EoL
564:CoL
551:ADW
348:doi
43:in
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694:RD
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
