Hatchling Emergence From Naturally Incubated Alligator Snapping Turtle (Macrochelys temminckii) Nests in Northern Louisiana

Samuel R. Holcomb; John L. Carr

doi:10.2744/1071-8443-10.2.222

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Samuel R. Holcomb,^1,2 John L. Carr¹

¹Department of Biology and Museum of Natural History, University of Louisiana at Monroe, Monroe, Louisiana 71209, USA [ ] carr@ulm.edu
²Louisiana Department of Wildlife and Fisheries, PO Box 98000, Baton Rouge, Louisiana 70898, USA [ ] samsw1@aol.com

Abstract

We report emergence dates for 38 alligator snapping turtle (Macrochelys temminckii) hatchlings from 6 naturally incubated nests laid during the 2008 and 2009 nesting seasons in northeastern Louisiana. Per capita emergence success for 2008 and 2009 combined was 19.5%. Hatchling emergence occurred from 28 August to 25 September and was asynchronous for 80% of nests that had multiple hatchlings emerge, with emergence duration as long as 12 days. We found no evidence of delayed emergence; some hatchlings may remain in the nest for up to 3 weeks before successfully emerging.

Chelonian Research Foundation

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Samuel R. Holcomb and John L. Carr "Hatchling Emergence From Naturally Incubated Alligator Snapping Turtle (Macrochelys temminckii) Nests in Northern Louisiana," Chelonian Conservation and Biology 10(2), 222-227, (1 December 2011). https://doi.org/10.2744/1071-8443-10.2.222

Received: 11 February 2011; Accepted: 1 September 2011; Published: 1 December 2011

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