Giant Gartersnake (Thamnophis gigas) Prey Preference (2014)
May 12, 2022
This is an examination of the diet of a threatened snake, giant gartersnake (Thamnophis gigas). Prey preference, prey selection and prey availability (in the laboratory and the field) were measured to understand prey dynamics for better conservation of this snake. In the laboratory, olfactory trials were performed on neonate snakes and tongue-flicks, lounges and attacks were counted and calculated into 'tongue-flick attack scores', a measure of prey preference. Prey-choice trials were used to measure prey selection in the laboratory. In the field, we measured prey choice and prey availability to gain an understanding of prey choice in nature.
These data support the following publication:
Ersan, J.S., Halstead, B.J., Wildy, E.L., Casazza, M.L. and Wylie, G.D., 2020. Intrinsic Prey Preference and Selection of the Giant Gartersnake: A Threatened Predator in a Nonnative Prey-Dominated Community. Journal of Fish and Wildlife Management, 11(1), pp.164-173. https://doi.org/10.3996/062019-JFWM-051.
These data support the following publication:
Ersan, J.S., Halstead, B.J., Wildy, E.L., Casazza, M.L. and Wylie, G.D., 2020. Intrinsic Prey Preference and Selection of the Giant Gartersnake: A Threatened Predator in a Nonnative Prey-Dominated Community. Journal of Fish and Wildlife Management, 11(1), pp.164-173. https://doi.org/10.3996/062019-JFWM-051.
Citation Information
| Publication Year | 2022 |
|---|---|
| Title | Giant Gartersnake (Thamnophis gigas) Prey Preference (2014) |
| DOI | 10.5066/P9Q1KLN4 |
| Authors | Julia S Ersan, Brian J Halstead |
| Product Type | Data Release |
| Record Source | USGS Asset Identifier Service (AIS) |
| USGS Organization | Western Ecological Research Center - Headquarters |
| Rights | This work is marked with CC0 1.0 Universal |
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Intrinsic prey preference and selection of the giant gartersnake: A threatened predator in a nonnative prey-dominated community
The introduction of exotic species into an environment can introduce great change in the trophic dynamics of native species. This is of even greater concern if the native species is of conservation concern. The giant gartersnake, Thamnophis gigas, an endemic predator of the Central Valley of California and a species of conservation concern at the state and federal levels, has declined as...
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Related
Intrinsic prey preference and selection of the giant gartersnake: A threatened predator in a nonnative prey-dominated community
The introduction of exotic species into an environment can introduce great change in the trophic dynamics of native species. This is of even greater concern if the native species is of conservation concern. The giant gartersnake, Thamnophis gigas, an endemic predator of the Central Valley of California and a species of conservation concern at the state and federal levels, has declined as...
Authors
Julia Ersan, Brian J. Halstead, Erica L Wildy, Michael L. Casazza, Glenn D. Wylie
Julia Ersan (Former Employee)
Wildlife Biologist
Wildlife Biologist
Brian Halstead
Research Wildlife Biologist
Research Wildlife Biologist
Email
Phone