The magnetic compass is the last unknown sense in migrating animals. For some scientists, the monarch butterfly is leading ...

An international collaboration to track individual monarchs kicked off this fall, including James Madison University.

In recent years, the number of monarch butterflies has been declining, and researchers don’t know the exact cause.

Van der Heide got her start at Cal Poly, tagging monarchs by numbering their wings in Sharpie and trying to find them later with a spotting scope, “like a needle in a haystack,” she said. This new, ...

In late 2024, a tagged monarch named Lionel migrated from New Jersey to Florida, logging thousands of detections along the ...

SAN DIEGO — U.S. Fish and Wildlife Service has proposed listing monarch butterflies as a threatened species and has considered some possibly contradictory ways to protect them, Nicholas Storer, vice ...

PISMO BEACH, Calif. – On Thursday, invertebrate conservation group the Xerxes Society released the results of their 28th annual Western Monarch Butterfly Count and recorded the second lowest ...

Large numbers of monarch butterflies have returned to the Ellwood Monarch Butterfly Grove in Goleta. (Mike Eliason photo) Thousands of monarch butterflies can now be seen in Ellwood Mesa in Goleta as ...

Many butterflies from around the world migrate each year, but no butterfly can match the incredible monarch butterfly migration. In autumn, these orange and black butterflies travel up to 2,000 miles ...

The once-common orange-and-black butterflies have declined by 90% in recent decades, with the latest count showing the second smallest population on record, according to the Center for Biological ...

Monarch butterflies on June 19, 2023 adjust to life outside their chrysalises within a protective mesh tent at Orlan Love’s Monarch Zone in Quasqueton. (Orlan Love/correspondent) Buy Photo Orange ...