Short duration flights are three times more costly than extended flight activity in an insectivorous bat

Q: What does this research mean for the field?

Short duration flights in big brown bats are three times more costly than extended flight activity. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

Lucas J. S. Greville; Jade Legros; Paul A. Faure; Liam P. McGuire

doi:10.1242/jeb.251110

February 17, 2026Journal of Experimental BiologyOpen Access

Short duration flights are three times more costly than extended flight activity in an insectivorous bat

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Key Points

This research investigates how flight duration affects the metabolic rate of insectivorous bats.
Measured flight metabolic rate using sodium bicarbonate isotopic tracer method
Conducted tests with big brown bats for flight durations up to 11 minutes
Analyzed changes in V̇CO2 over the first 6 minutes of flight
Observed a threefold decrease in metabolic rate within the first 6 minutes of flight
Predicted minimum V̇CO2 was found to be 2.48±0.65 ml/min
Implications suggest a need to revise energetic budget models for volant mammals

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Implication

Short flights increase energy costs in insectivorous bats, indicating significant metabolic transitions during flight.

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Cite This Study

Greville et al. (2026) studied this question.

synapsesocial.com/papers/6996a8d4ecb39a600b3eff34 https://doi.org/10.1242/jeb.251110

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Short duration flights are three times more costly than extended flight activity in an insectivorous bat

Key Points

No abstract yet

Implication

Discussion

Cite This Study

Short duration flights are three times more costly than extended flight activity in an insectivorous bat

Key Points

No abstract yet

Implication

Discussion

Cite This Study

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