Extreme summer weather could further endanger monarch butterflies, researchers fear

Muzammil Hussain August 27, 2025

A butterfly rests upside down, hanging from the stem of plant as it sucks nectar from the plant bud.

This summer's drought and record-breaking heat could affect the fall migration of the endangered monarch butterfly, according to researchers from the University of Ottawa.

This summer's drought and record-breaking heat could affect the fall migration of the endangered monarch butterfly, according to researchers from the University of Ottawa. A butterfly rests upside down, hanging from the stem of plant as it sucks nectar from the plant bud.

This summer's drought and record-breaking heat could affect the fall migration of the endangered monarch butterfly, according to researchers from the University of Ottawa.

News/Canada/Ottawa