Daily and seasonal activity patterns of free range South-American rattlesnake (Crotalus durissus)
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Anais da Academia Brasileira de Ciências (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000301047 |
Resumo: | This study aimed at describing daily and seasonal variation in the activity of a population of South-American rattlesnakes (Crotalus durissus) in a savanna like habitat (Cerrado) in Southeastern Brazil. Seasonal and daily activities of snakes were evaluated by the number of captures of snakes during road surveys, accidental encounters, and relocations by radio-tracking. Our results show that climatic variables such as air temperature and rainfall have little influence on the activity pattern of rattlesnakes. Our findings indicate that rattlesnakes spend most of the day resting and most of the night in ambush posture. The South-American rattlesnake is active throughout the year with a discrete peak in activity of males during the matting season. The possibility of maintaining activity levels even during the coldest and driest season can facilitate the colonization of several habitats in South America. This possibility currently facilitates the colonization of deforested areas by rattlesnakes. |
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Anais da Academia Brasileira de Ciências (Online) |
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Daily and seasonal activity patterns of free range South-American rattlesnake (Crotalus durissus)Cerradoethologysquamataradio-trackThis study aimed at describing daily and seasonal variation in the activity of a population of South-American rattlesnakes (Crotalus durissus) in a savanna like habitat (Cerrado) in Southeastern Brazil. Seasonal and daily activities of snakes were evaluated by the number of captures of snakes during road surveys, accidental encounters, and relocations by radio-tracking. Our results show that climatic variables such as air temperature and rainfall have little influence on the activity pattern of rattlesnakes. Our findings indicate that rattlesnakes spend most of the day resting and most of the night in ambush posture. The South-American rattlesnake is active throughout the year with a discrete peak in activity of males during the matting season. The possibility of maintaining activity levels even during the coldest and driest season can facilitate the colonization of several habitats in South America. This possibility currently facilitates the colonization of deforested areas by rattlesnakes.Academia Brasileira de Ciências2013-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000301047Anais da Academia Brasileira de Ciências v.85 n.3 2013reponame:Anais da Academia Brasileira de Ciências (Online)instname:Academia Brasileira de Ciências (ABC)instacron:ABC10.1590/S0001-37652013005000043info:eu-repo/semantics/openAccessTOZETTI,ALEXANDRO M.MARTINS,MARCIOeng2015-10-26T00:00:00Zoai:scielo:S0001-37652013000301047Revistahttp://www.scielo.br/aabchttps://old.scielo.br/oai/scielo-oai.php||aabc@abc.org.br1678-26900001-3765opendoar:2015-10-26T00:00Anais da Academia Brasileira de Ciências (Online) - Academia Brasileira de Ciências (ABC)false |
dc.title.none.fl_str_mv |
Daily and seasonal activity patterns of free range South-American rattlesnake (Crotalus durissus) |
title |
Daily and seasonal activity patterns of free range South-American rattlesnake (Crotalus durissus) |
spellingShingle |
Daily and seasonal activity patterns of free range South-American rattlesnake (Crotalus durissus) TOZETTI,ALEXANDRO M. Cerrado ethology squamata radio-track |
title_short |
Daily and seasonal activity patterns of free range South-American rattlesnake (Crotalus durissus) |
title_full |
Daily and seasonal activity patterns of free range South-American rattlesnake (Crotalus durissus) |
title_fullStr |
Daily and seasonal activity patterns of free range South-American rattlesnake (Crotalus durissus) |
title_full_unstemmed |
Daily and seasonal activity patterns of free range South-American rattlesnake (Crotalus durissus) |
title_sort |
Daily and seasonal activity patterns of free range South-American rattlesnake (Crotalus durissus) |
author |
TOZETTI,ALEXANDRO M. |
author_facet |
TOZETTI,ALEXANDRO M. MARTINS,MARCIO |
author_role |
author |
author2 |
MARTINS,MARCIO |
author2_role |
author |
dc.contributor.author.fl_str_mv |
TOZETTI,ALEXANDRO M. MARTINS,MARCIO |
dc.subject.por.fl_str_mv |
Cerrado ethology squamata radio-track |
topic |
Cerrado ethology squamata radio-track |
description |
This study aimed at describing daily and seasonal variation in the activity of a population of South-American rattlesnakes (Crotalus durissus) in a savanna like habitat (Cerrado) in Southeastern Brazil. Seasonal and daily activities of snakes were evaluated by the number of captures of snakes during road surveys, accidental encounters, and relocations by radio-tracking. Our results show that climatic variables such as air temperature and rainfall have little influence on the activity pattern of rattlesnakes. Our findings indicate that rattlesnakes spend most of the day resting and most of the night in ambush posture. The South-American rattlesnake is active throughout the year with a discrete peak in activity of males during the matting season. The possibility of maintaining activity levels even during the coldest and driest season can facilitate the colonization of several habitats in South America. This possibility currently facilitates the colonization of deforested areas by rattlesnakes. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-09-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000301047 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000301047 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S0001-37652013005000043 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Academia Brasileira de Ciências |
publisher.none.fl_str_mv |
Academia Brasileira de Ciências |
dc.source.none.fl_str_mv |
Anais da Academia Brasileira de Ciências v.85 n.3 2013 reponame:Anais da Academia Brasileira de Ciências (Online) instname:Academia Brasileira de Ciências (ABC) instacron:ABC |
instname_str |
Academia Brasileira de Ciências (ABC) |
instacron_str |
ABC |
institution |
ABC |
reponame_str |
Anais da Academia Brasileira de Ciências (Online) |
collection |
Anais da Academia Brasileira de Ciências (Online) |
repository.name.fl_str_mv |
Anais da Academia Brasileira de Ciências (Online) - Academia Brasileira de Ciências (ABC) |
repository.mail.fl_str_mv |
||aabc@abc.org.br |
_version_ |
1754302859514478592 |