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November 12, 2025Evolution LettersOpen Access

Live birth in lizards: A process-based model for the roles of temperature, behavior, and life-history

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Authors

GGGuillermo Garcia‐CostoyaSDSaúl F. Domínguez‐GuerreroYale UniversityLFLutz Fromhage

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Overview

Process-based model predicts optimal gestation length in lizards, suggesting cold climates drive live birth evolution.

Key Points

  • To explore how temperature and life history traits influence the evolution of live birth in lizards.
  • Developed a process-based model combining behavior, thermal physiology, and life history.
  • Generated a trait database of 89 lizard populations with varying parity modes.
  • Utilized ecophysiological modeling to test the model's predictions.
  • Model predictions support the cold climate hypothesis for live birth evolution.
  • Revealed ecological contexts affecting embryonic development in lizards.
  • Found significant relationships between gestation length and climate conditions.

Cite This Study

Garcia‐Costoya et al. (2025) studied this question.

synapsesocial.com/papers/692523d9c0ce034ddc3556c8https://doi.org/10.1093/evlett/qraf043
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