brown tree snake
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Author(s):  
Jeffrey L Weinell ◽  
Anthony J Barley ◽  
Cameron D Siler ◽  
Nikolai L Orlov ◽  
Natalia B Ananjeva ◽  
...  

Abstract The genus Boiga includes 35, primarily arboreal snake species distributed from the Middle East to Australia and many islands in the western Pacific, with particularly high species diversity in South-East Asia. Despite including the iconic mangrove snakes (Boiga dendrophila complex) and the brown tree snake (Boiga irregularis; infamous for avian extinctions on small islands of the Pacific), species-level phylogenetic relationships and the biogeographic history of this ecologically and morphologically distinct clade are poorly understood. In this study, we sequenced mitochondrial and nuclear DNA for 24 Boiga species and used these data to estimate a robust phylogenetic inference, in order to (1) test the hypothesis that Boiga is monophyletic, (2) evaluate the validity of current species-level taxonomy and (3) examine whether geographic range evolution in Boiga is consistent with expectations concerning dispersal and colonization of vertebrates between continents and islands. Our results support the prevailing view that most dispersal events are downstream – from continents to oceanic islands – but we also identify a role for upstream dispersal from oceanic islands to continents. Additionally, the novel phylogeny of Boiga presented here is informative for updating species-level taxonomy within the genus.



2017 ◽  
Vol 19 (11) ◽  
pp. 1131-1147 ◽  
Author(s):  
Trudi J Mcalees ◽  
Linda A Abraham

Practical relevance: No fewer than 140 species of terrestrial snakes reside in Australia, 92 of which possess venom glands. With the exception of the brown tree snake, the venom-producing snakes belong to the family Elapidae. The venom of a number of elapid species is more toxic than that of the Indian cobra and eastern diamondback rattle snake, which has earned Australia its reputation for being home to the world’s most venomous snakes. Clinical challenges: The diagnosis of elapid snake envenomation is not always easy. Identification of Australian snakes is not straightforward and there are no pathognomonic clinical signs. In cats, diagnosis of envenomation is confounded by the fact that, in most cases, there is a delay in seeking veterinary attention, probably because snake encounters are not usually witnessed by owners, and also because of the tendency of cats to hide and seek seclusion when unwell. Although the administration of antivenom is associated with improved outcomes, the snake venom detection kit and antivenom are expensive and so their use may be precluded if there are financial constraints. Evidence base: In providing comprehensive guidance on the diagnosis and treatment of Australian elapid snake envenomation in cats, the authors of this review draw on the published veterinary, medical and toxicology literature, as well as their professional experience as specialists in medicine, and emergency medicine and critical care.



Toxicon ◽  
2017 ◽  
Vol 126 ◽  
pp. 1-3
Author(s):  
Andrew Gordon Hill ◽  
Lewis McKillop


Oryx ◽  
2016 ◽  
Vol 51 (2) ◽  
pp. 216-217
Author(s):  
Erin Muths ◽  
Robert N. Fisher

We appreciate the comments from Andreone (2016) regarding our proposed alternative strategy for addressing the amphibian crisis. Andreone recognizes the utility of an Incident Command System approach but doubts the feasibility of implementation at an international level. We stated in our original article, however, that ‘the feasibility of our suggestion is debatable, but our point is that radically different approaches are necessary to effectively manage the largest extinction event in modern history’ (Muths & Fisher, 2015). There are examples of where such top-down strategies are being applied; e.g. for the brown tree snake Boiga irregularis (Stanford & Rodda, 2007), and biosecurity planning for Micronesia and Hawaii (NAVFAC Pacific, 2016). Another example is presented by Andreone. In Madagascar a community-wide conservation plan has been developed complete with prioritization of specific actions (Andreone, 2016). As with any top-down strategy, challenges will surface, especially when making decisions that affect economics. We note this caveat in our article, and Andreone points out such issues in Madagascar, where there are mismatches in priorities between biodiversity conservation and civil needs. Our suggestion is that a new paradigm needs to be considered given the gravity of amphibian decline, and one option may be to take a global approach focusing on specific, major threats. Application of an Incident Command System would not necessitate competition with, or emasculation of, local conservation priorities or actions.



Ecotoxicology ◽  
2016 ◽  
Vol 25 (8) ◽  
pp. 1556-1562 ◽  
Author(s):  
Joshua B. Smith ◽  
Kelsey L. Turner ◽  
James C. Beasley ◽  
Travis L. DeVault ◽  
William C. Pitt ◽  
...  


2015 ◽  
Vol 8 (1) ◽  
Author(s):  
Shem D. Unger ◽  
Erin F. Abernethy ◽  
Stacey L. Lance ◽  
Rochelle R. Beasley ◽  
Bruce A. Kimball ◽  
...  


2011 ◽  
Vol 51 (2) ◽  
pp. 241-254 ◽  
Author(s):  
Kimberly Burnett ◽  
Sittidaj Pongkijvorasin ◽  
James Roumasset


2011 ◽  
Vol 1 (1) ◽  
pp. 11-14
Author(s):  
Robert F. Morgan

A sample of vignettes from past and present psychological applications in tropical Guam with an assist from contemporary Singapore. An emphasis on cultural adaptation to an invasion of brown tree snakes is followed by antidotes to teen suicide subsequent a high profile suicidal event. A chaos theory perspective is suggested.



2011 ◽  
Vol 65 (1) ◽  
pp. 41-57 ◽  
Author(s):  
Tom Mathies ◽  
Russell Scarpino ◽  
Brenna A. Levine ◽  
Craig Clark ◽  
Julie A. Savidge


2010 ◽  
Vol 64 (1) ◽  
pp. 11-22 ◽  
Author(s):  
Dennis Rödder ◽  
Stefan Lötters


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