{"id":2234,"date":"2025-09-03T07:25:00","date_gmt":"2025-09-03T14:25:00","guid":{"rendered":"https:\/\/rattlesnakesolutions.com\/fieldherper\/?p=2234"},"modified":"2025-09-03T07:25:03","modified_gmt":"2025-09-03T14:25:03","slug":"southwestern-speckled-rattlesnake-crypsis","status":"publish","type":"post","link":"https:\/\/rattlesnakesolutions.com\/fieldherper\/snakes\/southwestern-speckled-rattlesnake-crypsis\/","title":{"rendered":"Southwestern Speckled Rattlesnake Crypsis"},"content":{"rendered":"\n<p>A rattlesnake that looks like a rock. This <a href=\"https:\/\/rattlesnakesolutions.com\/fieldherper\/category\/snakes\/viperidae\/rattlesnakes\/pyrrhus\/\" data-type=\"category\" data-id=\"145\">Southwestern Speckled Rattlesnake<\/a> was found in central Arizona in an area of rusty granite and quartz. The resulting <a href=\"https:\/\/rattlesnakesolutions.com\/fieldherper\/tag\/camouflage\/\" data-type=\"post_tag\" data-id=\"197\">cryptic pattern<\/a> is just as colorful, including speckled grey blue eyes. Though it is brightly colored, these snakes can be very difficult to see in context.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"850\" src=\"https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-content\/uploads\/Crotalus-pyrrhus-_9094150405-Edit-1200x850.jpg\" alt=\"\" class=\"wp-image-2235\" srcset=\"https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-content\/uploads\/Crotalus-pyrrhus-_9094150405-Edit-1200x850.jpg 1200w, https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-content\/uploads\/Crotalus-pyrrhus-_9094150405-Edit-752x533.jpg 752w, https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-content\/uploads\/Crotalus-pyrrhus-_9094150405-Edit-768x544.jpg 768w, https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-content\/uploads\/Crotalus-pyrrhus-_9094150405-Edit-1536x1089.jpg 1536w, https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-content\/uploads\/Crotalus-pyrrhus-_9094150405-Edit-2048x1451.jpg 2048w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p>Cochran, C. (2019). <em>Variation in morphology, diet, and venom composition in Crotalus pyrrhus (Cope 1867)<\/em> [Doctoral dissertation, Loma Linda University]. Loma Linda University Electronic Theses, Dissertations &amp; Projects. <a href=\"https:\/\/scholarsrepository.llu.edu\/cgi\/viewcontent.cgi?article=3590&amp;context=etd\" target=\"_blank\" rel=\"noopener\">https:\/\/scholarsrepository.llu.edu\/cgi\/viewcontent.cgi?article=3590&amp;context=etd<\/a><\/p>\n\n\n\n<p>Crowell, H. L., Whelan, J. M., &amp; Harmel, M. V. (2020). Rattlesnake colouration affects detection by predators. <em>Journal of Zoology, 310<\/em>(1), 1\u201311. <a href=\"https:\/\/doi.org\/10.1111\/jzo.12786\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1111\/jzo.12786<\/a><\/p>\n\n\n\n<p>Hanscom, R. J., &amp; Higham, T. E. (2023). Ambush hunting in snakes: Behaviour, function, and diversity. In <em>Snakes: Ecology, behavior, and conservation<\/em> (pp. 1\u201332). ResearchGate. <a href=\"https:\/\/www.researchgate.net\/publication\/373257803_Ambush_Hunting_in_Snakes_Behavior_Function_and_Diversity\" target=\"_blank\" rel=\"noopener\">https:\/\/www.researchgate.net\/publication\/373257803_Ambush_Hunting_in_Snakes_Behavior_Function_and_Diversity<\/a><\/p>\n\n\n\n<p>Hanscom, R. J. (2025). <em>From ambush to activity: Using accelerometry to reveal cryptic behaviors of rattlesnakes and kangaroo rats<\/em> [Doctoral dissertation, University of California, Riverside]. eScholarship. <a href=\"https:\/\/escholarship.org\/content\/qt4ft2985w\/qt4ft2985w.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/escholarship.org\/content\/qt4ft2985w\/qt4ft2985w.pdf<\/a><\/p>\n\n\n\n<p>Teshera, M. S. (2021). <em>Strike-induced chemosensory searching, kleptoparasitism, and the possibility of chemical crypsis in rattlesnakes<\/em> [Doctoral dissertation, University of Texas at El Paso]. UTEP Digital Commons. <a href=\"https:\/\/scholarworks.utep.edu\/cgi\/viewcontent.cgi?article=4357&amp;context=open_etd\" target=\"_blank\" rel=\"noopener\">https:\/\/scholarworks.utep.edu\/cgi\/viewcontent.cgi?article=4357&amp;context=open_etd<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A rattlesnake that looks like a rock. This Southwestern Speckled Rattlesnake was found in central Arizona in an area of rusty granite and quartz. The resulting cryptic pattern is just as colorful, including speckled grey blue eyes. Though it is brightly colored, these snakes can be very difficult to see in context. Cochran, C. (2019). [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2235,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[136,145,135,139],"tags":[38,197,457,485,564],"class_list":["post-2234","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rattlesnakes","category-pyrrhus","category-snakes","category-viperidae","tag-arizona","tag-camouflage","tag-yavapai-county","tag-crypsis","tag-speck"],"_links":{"self":[{"href":"https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-json\/wp\/v2\/posts\/2234","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-json\/wp\/v2\/comments?post=2234"}],"version-history":[{"count":1,"href":"https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-json\/wp\/v2\/posts\/2234\/revisions"}],"predecessor-version":[{"id":2236,"href":"https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-json\/wp\/v2\/posts\/2234\/revisions\/2236"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-json\/wp\/v2\/media\/2235"}],"wp:attachment":[{"href":"https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-json\/wp\/v2\/media?parent=2234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-json\/wp\/v2\/categories?post=2234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rattlesnakesolutions.com\/fieldherper\/wp-json\/wp\/v2\/tags?post=2234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}