The number of monarch butterflies spending winter in the western U.S. dropped dramatically this year, despite moves to extend ...

The natural phenomenon of the iconic monarch butterflies migrating south for the winter is a fascinating one - and it's one ...

Once, millions of monarchs wintered in California. But climate change, habitat loss, widespread pesticide use and disease ...

The number of monarch butterflies in California is in sharp decline this year. This is the second-lowest population recording ...

This winter, volunteers from the Xerces Society, a nonprofit environmental group, tallied just 9,119 western monarchs — a ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in ...

Hundreds of volunteers and partners participated in the 28th annual Western Monarch Count by attempting to identify all of ...

We know small populations are especially vulnerable to environmental fluctuations, and we think that’s what happened this ...

A winter count of visiting monarch butterflies found a steep drop from previous years, which has scientists worried about the beloved insect.

The tiny Dark-sided Flycatcher, was photographed at Nulakamamidi forest, Dummakonda Hill range, Alluri Seetaramaraju district ...

Overwintering populations of monarch butterflies in California have reached a near all-time low since records began, conservationists announced on Thursday. The ...