Saturday, Jun 10, 2023 | Last Update : 06:55 AM IST

monarch butterfly

Rising carbon dioxide levels pose threat to monarch butterflies

The study looked at how elevated CO2 levels alter plant chemistry and how that affects interactions between monarchs and their parasites.

11 Jul 2018 3:26 PM

Monarch butterfly numbers drop by 27 percent in Mexico

The number reduced because the area was hit by the biggest storm after 2009-10 in their usual migratory area

10 Feb 2017 6:55 PM