Results 81 to 90 of about 35,773 (251)

Chromatic anomalies in Bothrops jararaca (Serpentes, Viperidae): Does xanthism affect survival? [PDF]

open access: yesBiotemas, 2010
This article describes, for the first time, the xanthism in two specimens of B. jararaca. It also describes the snakebite caused by one of these specimens, followed by a discussion on the adaptive advantages (e.g.
Francisco Oscar Siqueira França   +4 more
doaj  

Entry: Snakes Alive!

open access: yes, 2022
Snakes Alive!, based on the book Snakes, by Nic Bishop, created by Killian McDaniel and Michele McDanielhttps://thekeep.eiu.edu/ediblebook_2022/1010/thumbnail ...
McDaniel, Killian, McDaniel, Michele
core  

New fossil unveils the dentary anatomy of the rare lepidosauromorph Cargninia enigmatica from the Upper Triassic of Southern Brazil

open access: yesThe Anatomical Record, EarlyView.
Abstract Nowadays, Lepidosauria is a diverse group represented by squamates and the rhynchocephalian tuatara. However, their origins date back to the end of the Permian Period, when the stem lineages Lepidosauromorpha and Archosauromorpha diverged. Within the lepidosauromorph stem lineage, a few species have been described with unstable phylogenetic ...
Lísie Vitória Soares Damke   +4 more
wiley   +1 more source

Venomous snakes accidents: a study about conceptual mistakes in Science and Biology Brazilian textbooks [PDF]

open access: yesInvestigações em Ensino de Ciências, 2005
The subject venomous snakes is pointed out as a problem in science education textbooks in Brazil, due to the high rate of conceptual mistakes. Aiming to help teachers in that subject, we analyzed a total of 27 textbooks published in the period 1982 to ...
Maria de Fátima Neves Sandrin   +2 more
doaj  

A importância dos acidentes ofídicos como causa de mortes em bovinos no Brasil The importance of snake bites as cause of cattle death in Brazil

open access: yesPesquisa Veterinária Brasileira, 2006
A revisão da literatura pertinente indica que as opiniões sobre a importância dos acidentes ofídicos, como causa de mortes em bovinos no Brasil, são divergentes no meio veterinário.
Carlos Hubinger Tokarnia   +1 more
doaj   +1 more source

[News Clip: Snakes]

open access: yes, 1961
Video footage from the WBAP-TV television station in Fort Worth, Texas, to accompany a news story about the introduction of rattle snakes into the Fort Worth Zoo's snake ...
WBAP-TV (Television station : Fort Worth, Tex.)
core  

Morphophysiological dynamics of the proximal post‐testicular ducts in Crotalus durissus Linnaeus, 1758 (Squamata: Viperidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The organization and function of reptilian excurrent ducts remain poorly characterized, particularly in Neotropical snakes. We provide the first integrative morphological, histochemical, immunohistochemical, and ultrastructural analysis of the proximal post‐testicular ducts of Crotalus durissus across reproductive stages.
Flávia Cappuccio de Resende   +9 more
wiley   +1 more source

Nonpoisonous Snakes [PDF]

open access: yes, 1994
Of the many kinds of snakes (Pituophis melanoleucus) found in the United States, only the following are harmful: rattlesnakes, copperheads, cottonmouths, coral snakes, and sea snakes.
Byford, James L.
core  

Bite force estimates and morphological correlations of jaw muscles in parrots

open access: yesThe Anatomical Record, EarlyView.
Abstract Parrots (Order: Psittaciformes) are renowned for their high bite force (BF) and morphological correlates thereof, including a highly mobile skull and two unique mandibular adductor muscles—m. pseudomasseter and m. ethmomandibularis, with the former being hypothesized to increase force output.
Ana Carolina L. Faillace   +3 more
wiley   +1 more source

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