Monarch butterflies embark on a marvelous migratory phenomenon. They travel between 1,200 and 2,800 miles or more from the northeast United States, and southeast Canada to the mountain forests in ...

Get Instant Summarized Text (Gist) The Western monarch butterfly population in California has dropped to fewer than 10,000, marking the second-lowest count since 1997. This decline, attributed to ...

Fewer-than-usual monarch butterflies migrated through San Luis ... creating difficult conditions for the monarchs to survive in. In fact, California set new heat records every July during the ...

These "Quick Facts" accompany our groundbreaking report, Monarchs in Peril: Herbicide-Resistant Crops and the Decline of Monarch Butterflies in North America." The comprehensive report reveals the ...

We hate to be the bearer of bad news, again, but the 2013-2014 overwintering population numbers for Monarch butterflies in Mexico were just released this morning ... s time for the United States to do ...

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 in California is in sharp decline this year, and biologists say record-high late summer temperatures and drought in the west likely contributed to the dropoff.

Monarch butterflies, known for their incredible migration journey, are facing an alarming threat of extinction. These fragile insects, which weigh less than a gram, undertake an astonishing migration ...

Monarch butterflies—including western monarchs, who winter in California and spend summers west of the Rockies—were recently proposed for listing as threatened under the Endangered Species Act.

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 ...