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September 27, 2025Open Access

Effects of partner workload and increasing environmental temperature on nestling provisioning and body temperature in a declining aerial insectivore

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Authors

MHMegan HeftBHBronwen HennigarGBGary Burness

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Overview

Experimental analysis highlights temperature's role in nestling provisioning rates among male and female tree swallows, indicating sex-specific responses.

Key Points

  • Males reduced nestling provisioning rates in response to high temperatures, indicating a behavioral adjustment to thermoregulatory demands.
  • Trimmed males maintained core body temperatures similar to untrimmed controls, suggesting effective heat dissipation despite changes in provisioning behavior.
  • Females paired with trimmed males adjusted their activity levels, implying potential consequences for female provisioning strategies.
  • Sex-specific differences in thermal physiology may affect responses to climate change, indicating the need for consideration in conservation efforts.

Cite This Study

Heft et al. (2025) studied this question.

synapsesocial.com/papers/68d7be66eebfec0fc5237f07https://doi.org/10.1101/2025.09.23.678107
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Effects of Partner Workload and Increasing Environmental Temperature on Nestling Provisioning and Body Temperature in a Declining Aerial Insectivore.2026
  2. 2Temperature‐Related Changes in Avian Nestling Provisioning: A Global Analysis2026 · 2 citations
  3. 3Divergent population trajectories despite similar response to temperature in a widespread aerial insectivore2026
  4. 4The effects of temperature on nestling growth in a songbird depend on developmental constraints2026 · 1 citations
  5. 5The effects of temperature on nestling growth in a songbird depend on developmental and social context2025