Results 121 to 130 of about 25,701 (252)

Stomach contents from invasive American bullfrogs Rana catesbeiana (= Lithobates catesbeianus) on southern Vancouver Island, British Columbia, Canada [PDF]

open access: yes, 2013
Invasive alien American bullfrog populations are commonly identified as a pernicious influence on the survival of native species due to their adaptability, proliferation and consequent ecological impacts through competition and predation. However, it has
Jancowski, Kevin, Orchard, Stan A.
core   +2 more sources

SECOND INTERNATIONAL SYMPOSIUM ON RANAVIRUSES:: A NORTH AMERICAN HERPETOLOGICAL PERSPECTIVE [PDF]

open access: yes, 2014
Ranaviruses are large double stranded DNA viruses of poikilothermic vertebrates including amphibians, reptiles and fish. In North America, ranaviral disease and ranavirus-related die-off events have been documented in all three classes.
Brunner, Jesse L.   +3 more
core   +2 more sources

Female‐biased gape and body‐size dimorphism in the New World watersnakes (tribe: Thamnophiini) oppose predictions from Rensch's rule

open access: yesEcology and Evolution, 2019
Sexual‐size dimorphism (SSD) is ubiquitous across animals and often biased in the direction of larger females in snakes and other ectothermic organisms.
Frank T. Burbrink, India Futterman
doaj   +1 more source

A Proposed Method for Assessing the Spatio-Temporal Distribution of Carcharhinus melanopterus (Quoy and Gaimard, 1824) in Shallow Waters Using a UAV: A Study Conducted in Koh Tao, Thailand

open access: yesDiversity
In this study, we propose a method for assessing the temporal and spatial distribution of Carcharhinus melanopterus in shallow waters using unmanned aerial vehicles (UAVs).
Andrea Di Tommaso   +4 more
doaj   +1 more source

Different growth responses to feed ration levels in two freshwater turtle juveniles, the Chinese three-keeled pond turtle Mauremys reevesii and the red-eared slider Trachemys scripta elegans

open access: yesAquaculture Reports
Turtle aquaculture is a rapidly expanding industry whereas the knowledge about the feed ration-dependent growth performances of turtles is limited.
Changyi Zhang   +4 more
doaj   +1 more source

Stanford University’s John Otterbein Snyder: Student, Collaborator, and Colleague of David Starr Jordan and Charles Henry Gilbert [PDF]

open access: yes, 2008
John Otterbein Snyder (1867–1943) was an early student of David Starr Jordan at Stanford University and subsequently rose to become an assistant professor there.
Brittan, Martin R., Jennings, Mark R.
core  

Taxonomic reassessment of the Herpetoreas xenura (Wall, 1907) (Squamata: Serpentes: Natricidae) from Myanmar with description of a new species

open access: yesEuropean Journal of Taxonomy
The review of the taxonomic status of Herpetoreas xenura species complex, based on morphological and molecular data, revealed a new species from Myanmar, which we describe as Herpetoreas davidi sp. nov.
Tan Van Nguyen   +3 more
doaj   +1 more source

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