Story perspectives

Brown Rats Documented Preying on Bats: Ecological Threat Emerges

10/29/2025

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Summary

Story summary

Researchers in Germany documented brown rats preying on bats for the first time.
Researchers observed two hunting techniques: intercepting bats mid-air and ambushing them after landing.
At two hibernation sites, they recorded 30 predation attempts and 13 confirmed kills, with carcasses suggesting bat population impacts.
They also raised concerns about possible disease transmission between the species, highlighting an ecological threat from invasive rats.

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Story summary

Researchers in Germany documented brown rats preying on bats for the first time.
Researchers observed two hunting techniques: intercepting bats mid-air and ambushing them after landing.
At two hibernation sites, they recorded 30 predation attempts and 13 confirmed kills, with carcasses suggesting bat population impacts.
They also raised concerns about possible disease transmission between the species, highlighting an ecological threat from invasive rats.