Implications of slow pace-of-life for nesting behavior in an armored ectotherm

  • Nathan W. ByerEmail author
  • Brendan N. Reid
  • Marcus Z. Peery
Original Article


Pace-of-life syndrome (POLS) theory predicts that physiological and behavioral traits coevolve and should fall predictably along a fast-slow life history gradient. Although this theory represents an attractive theoretical framework for exploring ramifications of life history for behavior and physiology, empirical support has been mixed for this theory, and more work is required to determine how well POLS theory explains existing patterns of behavior, particularly for extremely fast or slow life histories. We investigated factors that affect adult risk exposure and nest success during nesting excursions for the Blanding’s turtle, a long-lived ectotherm. We used radio telemetry to track gravid animals to nesting areas while measuring temperature and predation risk across the study site and monitored nest success to connect behavior to current reproductive success. Turtles responded more strongly to thermal gradients than predation risk when moving to nest sites, consistent with their armored morphology and ectothermic physiology, and generally selected relatively warm microclimates during these excursions. Nests placed further from wetland edges were more successful; unexpectedly, these same areas generally had relatively high predator activity, indicating that successful nesting areas may be riskier to adults. Accordingly, turtles did not appear to select for nest sites far from wetlands in areas likely to produce successful nests, instead placing nest sites in areas where predator species richness and activity were lower. Consistent with POLS theory, our study demonstrates that long-lived organisms engage in behavioral strategies that prioritize their own survival at the expense of current reproduction.


Habitat selection Life history Pace-of-life Predation risk Turtles 



This work was supported by a United States Department of Agriculture Hatch Act formula grant to MZP (WIS01865).

Compliance with ethical standards

Conflicts of interest

The authors declare that they have no conflict of interest.

Ethical approval

All applicable institutional and/or national guidelines for the care and use of animals were followed, and this work was approved by the UW-Madison Institutional Animal Care and Use Committee (IACUC #A005358) and the Wisconsin Department of Natural Resources (SRL-SOD-001-2016).

Data availability

The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

Supplementary material

265_2019_2658_MOESM1_ESM.docx (1.5 mb)
ESM 1 (DOCX 1559 kb)


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© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Forestry and Wildlife EcologyUniversity of Wisconsin–MadisonMadisonUSA
  2. 2.W.K. Kellogg Biological StationMichigan State UniversityHickory CornersUSA

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