Mbalame yotchedwa pygmy rattlesnake ndi mitundu yokhayo ku Michigan (USA) yomwe imalembedwa pamtundu wa Endangered Species Act.
US Fish and Wildlife Service idzagwira ntchito ndi Center for Biological Diversity kuti iteteze mitundu 757 yomwe ili pangozi. Kubwerera ku 1982, njoka iyi, yomwe imadziwikanso kuti "Massasauga", idasankhidwa kuti ndi "mitundu yofunikira kwambiri" komanso "nyama zomwe zatsala pang'ono kutha."
Kuwonongeka kwa madambo ndi mapiri oyandikira ku America Midwest, komwe kudachitika chifukwa cha kuchuluka kwa mizinda ndi midzi ndi malo olimapo, kwasiya njoka yam'madzi yotchedwa pygmy rattlesnake ili ndi malo okhala ochepa.
Malinga ndi a Eliza Bennett, loya ku Center for Biological Diversity, njira yokhayo yopulumutsira Massasaugu kuti isathere ndikusunga malo abwino, ndipo ndi malamulo okhawo oyenera omwe angathandize.
Monga Detroit Free Press ikunenera, kumangidwa kosayang'aniridwa bwino kwa minda yatsopano ndi misewu sizinangotsogolera kuwonongeka kwa malo okhala, komanso mavuto akulu kupeza chakudya choyenera cha njoka. Zochita za anthu zimalepheretsa njoka kuti zisamuke momasuka kupita kumadera ena komwe zingapeze malo abwino ndi chakudya.
A Bruce Kingsbury a Environmental Resource Center ati nthawi zambiri Massasauga amapezeka mumsewu kapena pafupi ndi njirayo, ndipo nthawi zambiri amakhala mwamantha. Njoka sizimayenda monga nyama zina kuchokera kumalo ena kupita kwina. Chifukwa chake, ngati msewu, malo okhala kapena munda wamunda wayikidwa patsogolo pawo, zidzawoneka ngati chopinga panjira ndipo njokayo imangobwerera, kubwerera komwe idachokera.
Malinga ndi Dipatimenti Yachilengedwe ya Michigan, njoka yam'madzi yotchedwa pygmy rattlesnake Sistrurus catenatus ndi njoka yopuma, yosakhazikika komanso yoopsa. Monga lamulo, samenya munthu, koma ngati ali pachiwopsezo amatha kuluma khungu lake ndi mano ake. Zowona, poizoniyu sapha munthu ndipo zotsatira zake zimakhala zochepa kuwononga malo amitsempha ndi kukha mwazi. M'nyengo yachilimwe, amakonda kukhala m'malo ovundikira kapena m'madambo, ndipo amapita kumapiri ouma nthawi yotentha. Massasauga imadyetsa makamaka ma amphibiya, tizilombo ndi nyama zazing'ono.
