Monarch butterflies from the western United States have arrived in Santa Cruz and other parts of the California coast, clumping on branches of Monterey pine, coastal redwoods and eucalyptus, where ...

A monarch butterfly flies to Joe Pye weed, Wednesday, Aug. 28, 2019, in Freeport, Maine. The populations of both insect species have struggled in recent years. Rapid development and climate change are ...

Monarch Madness Festival at Hashawha Environmental Center & Bear Branch Nature Center on Saturday celebrated the arrival of fall by spotlighting the annual migration of monarch butterflies as they ...

Monarch butterflies are well-known and beloved migratory pollinators in North America. NNehring via Getty Images For generations, monarch butterflies have traveled thousands of miles across North ...

Pacific Grove is known as ‘Butterfly Town USA’ for its role as an overwintering spot. As the insect’s population plummets, residents are coming to its rescue ...

A monarch butterfly with a tag on its wing perches on a flower head at Monarch Watch's butterfly tagging event at the Baker Wetlands on Saturday, Sept. 21, 2024. Despite some rain early in the day, ...

Citizen scientists and volunteers have counted over 233,300 monarch butterflies across the western United States as part of Xerces Society’s 27th annual count. Despite ongoing efforts to save the ...

Monarch butterflies flew through different species of flowers resting and pollinating while on their trip. Monarch butterflies rest and pollinate flowers while in a garden Omaha, on Wednesday, Oct. 8, ...

The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with its food plant: milkweed. A monarch butterfly gliding over a field on ...