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26 November 2021 ACTINEMYS MARMORATA (NORTHWESTERN POND TURTLE) FEEDING ON DICAMPTODON TENEBROSUS (COASTAL GIANT SALAMANDER)
Ryan A Peek, Sarah J Kupferberg, Alessandro Catenazzi, Philip Georgakakos, Mary E Power
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Abstract

When unexpected predator-prey interactions are observed, abiotic conditions can reveal insights about the ecology of the species involved. During one of the warmest months of May in the last 30 y (2008), we observed an adult Northwestern Pond Turtle, Actinemys marmorata, preying upon a paedomorphic Coastal Giant Salamander, Dicamptodon tenebrosus, in the South Fork Eel River. Compiled records of temperatures when moribund, bitten, or dead D. tenebrosus were found in the sunny mainstem river highlight their vulnerability when facing thermal stress beyond their usual habitat in cool shaded tributaries.

Ryan A Peek, Sarah J Kupferberg, Alessandro Catenazzi, Philip Georgakakos, and Mary E Power "ACTINEMYS MARMORATA (NORTHWESTERN POND TURTLE) FEEDING ON DICAMPTODON TENEBROSUS (COASTAL GIANT SALAMANDER)," Northwestern Naturalist 102(3), 261-264, (26 November 2021). https://doi.org/10.1898/1051-1733-102.3.261
Received: 15 December 2020; Accepted: 1 April 2021; Published: 26 November 2021
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KEYWORDS
climate change
predator-prey
temperature
thermal niche
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