Whether it’s for warmth and protection, or a shortage of suitable nest holes? Noctule bats have been seen using the same nest holes as Common starlings. This is the first time bats and birds have been recorded sharing such close quarters.

Noctule bats sharing nest hole with European starling chicks, credit: Dr. Łukasz Myczko, Institute of Zoology, Poznań University of Life Sciences, Poland

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