Story perspectives

Woodrats' Diets Reveal Resilience Amid Ecosystem Changes

9/17/2025

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Summary

Story summary

Researchers from Utah State University conducted an eight-year study on woodrat diets in North America, published in the Proceedings of the National Academy of Sciences.
They used DNA analysis to examine 13 species and over 500 woodrats.
Woodrats can eat toxic plants like creosote bush, mesquite, and juniper, demonstrating adaptability.
Individual woodrats may prefer specific plants, balancing toxin exposure with food availability.
The findings highlight dietary strategies' role in species resilience amid changing ecosystems.

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Story summary

Researchers from Utah State University conducted an eight-year study on woodrat diets in North America, published in the Proceedings of the National Academy of Sciences.
They used DNA analysis to examine 13 species and over 500 woodrats.
Woodrats can eat toxic plants like creosote bush, mesquite, and juniper, demonstrating adaptability.
Individual woodrats may prefer specific plants, balancing toxin exposure with food availability.
The findings highlight dietary strategies' role in species resilience amid changing ecosystems.