[DOC] [TLE] New Mexico Ridge-nosed Rattlesnake - eNature [PAR] New Mexico Ridge-nosed Rattlesnake Crotalus willardi obscurus ... a subspecies 
of the Ridge-nosed Rattlesnake, is on the U.S. Endangered Species List. ... It is 
also much coveted by snake collectors, and may have suffered overcollection. [DOC] [TLE] Crotalus willardi - Wikipedia [PAR] Common names: ridge-nosed rattlesnake, Willard's rattlesnake, Willard's rattler. 
Crotalus willardi is a venomous pit viper species found in the southwestern ... No 
documented deaths have been caused by ridge-nosed rattlesnakes, but pain and 
... Foraging ecology of the threatened New Mexico Ridge-nosed Rattlesnake... [DOC] [TLE] Species Profile for New Mexican Ridge-Nosed rattlesnake (Crotalus ... [PAR] The U.S. FWS's Threatened & Endangered Species System track information 
about listed ... New Mexican Ridge-Nosed rattlesnake (Crotalus willardi obscurus
) ... slopes or other rocky areas with crevices and holes that protect the snakes 
from frost. ... Human activity is also a threat, in part from illegal collection, but also 
from... [DOC] [TLE] New Mexican Ridgenose Rattlesnake - Dictionary definition of New ... [PAR] Oct 12, 2016 ... Definition of New Mexican Ridgenose Rattlesnake  Our online dictionary has ... 
from Beacham's Guide to the Endangered Species of North America dictionary. ... 
This snake is found in belts of pine woodland in narrow mountain ... in 1957, 
collectors came from all parts of the country to obtain specimens. [DOC] [TLE] Mexican Ridge Nose Rattlesnake - endangered animals - reports [PAR] Common: Name: Mexican ridge nose rattlesnake ... Nickname: Snake ... Mortality 
of newborns is caused by predation, lack of food and freezing. ... In Mexico in the 
central and southern parts of its range it is found on elevated plateaus. ... 
Collecting. ... endangered species has helped the new Mexican ridge nosed 
rattlesnake... [DOC] [TLE] Pincushion Cactus - Malpai Borderlands Group [PAR] When we thought about endangered species at all, it was mostly to wonder what 
... Another unexpected event that caused us to focus attention on endangered ... 
Two species in particular, the lesser long-nosed bat and New Mexico ridge-nose 
... In 2003 we used the Baker II Burn as an experiment to see if snake habitat... [DOC] [TLE] Ridge-nosed rattlesnake - Trending Topics [PAR] Crotalus willardi is a venomous pit viper species found in the southwestern ... are 
scattered throughout New Mexico, Arizona and the northern part of Mexico. ... No 
documented deaths have been caused by ridge-nosed rattlesnakes, but pain and 
... Foraging ecology of the threatened New Mexico Ridge-nosed Rattlesnake... [DOC] [TLE] population dynamics of the new mexico ridge-nosed rattlesnake [PAR] adult New Mexico ridge-nosed rattlesnakes exhibit a 76% annual survival rate, .... 
biologists increase their understanding of the endangerment process, and in .... 
were the last species of rattlesnake to be described in the United States ...... 
frequency of high intensity fires did cause the long-term population growth of the 
New. [DOC] [TLE] THESIS POPULATION DYNAMICS OF THE NEW MEXICO RIDGE ... [PAR] Jul 11, 2008 ... ACCEPTED AS FULFILLING IN PART REQUIREMENTS FOR ... The New Mexico 
ridge-nosed rattlesnake (Crotalus willardi ..... rehabilitation of threatened and 
endangered (T&E) species. ... While its initial listing was in response to over-
collecting by the pet trade, the ..... snake in group j marked in year 4) =. [DOC] [TLE] End 4-6 - Arizona Game & Fish Department [PAR] species. An endangered species is one that is in danger of becoming extinct in ... 
The Southwestern willow flycatcher is endangered ... agave plants, an important 
part of the ... long-nosed bat of that species, in the wild or in zoos. An extinct 
species can ... The New Mexico ridge- ... has developed for snake collectors that 
may. [DOC] [TLE] Crotalus Willardi - TheInfoList.com [PAR] CROTALUS WILLARDI is a venomous pit viper species found in the ... The 
Arizona ridge-nosed rattlesnake is the state reptile of Arizona . ... the New Mexico 
ridge-nosed rattlesnake ( C. w. obscurus ) is an endangered species and listed ... 
Due to the generally small size of the snake, venom

Question: The endangerment of the New Mexico ridge-nosed species of this snake was caused in part by collectors
Answer: a rattlesnake