Are monarch butterflies endangered? Monarch population numbers are falling and it's clear that these butterflies need our ...

The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with ...

Newly released data shows that the number of monarch butterflies migrating to California this winter is near-record low. "We ...

Copyright 2025 The Associated Press. All Rights Reserved. A butterfly sits on a leaf at Monarch Grove Sanctuary in Pacific ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate ...

Before National Geographic published its famous August 1976 cover story detailing the search for the monarch butterfly’s wintering grounds, nobody knew where these strikingly beautiful creatures ...

Fewer-than-usual monarch butterflies migrated through San Luis Obispo County this winter, according to data from the conservation-focused nonprofit the Xerces Society. “It feels like a punch to ...

For the past three years, more than 200,000 western monarch butterflies spent their winters along the California coast — huddling together in tall tree groves, finding respite from the wind from ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate ...

The number of monarch butterflies spending the winter in the western United States dropped dramatically this year even as federal officials move to extend protections for the beloved pollinator ...