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February 27, 2026Frontiers in Amphibian and Reptile ScienceOpen Access

Thermal stress and developmental disruption in the Neotropical lizard Tropidurus torquatus under climate change scenarios

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Authors

GDGabriel DillenburgUniversity of AlbertaADAnderson Kennedy Soares De-LimaAPAline Pic-TaylorMorpho (United States)

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Implication

Assesses thermal stress effects on development in the Neotropical lizard, indicating significant embryonic sensitivity to climate change.

Key Points

  • The aim is to explore how rising temperatures affect embryonic development and vulnerability in T. torquatus.
  • Incubated 159 eggs under five thermal regimes representing natural temperatures.
  • Assessed developmental outcomes based on temperature variations.
  • Monitored hatchlings for morphological anomalies and embryonic mortality.
  • 35.7% of hatchlings had morphological anomalies, including severe defects.
  • Embryonic mortality increased by ~80% for each 1°C rise in temperature.
  • 36% increase in odds of negative outcomes (mortality plus malformations) per 1°C was observed.
  • Identified 12 types of severe malformations, many unrecorded in field surveys.

Cite This Study

Dillenburg et al. (2026) studied this question.

synapsesocial.com/papers/69a134b8ed1d949a99abe2e9https://doi.org/10.3389/famrs.2026.1756660
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