The Western population of the monarch butterfly hit a near-record low with fewer than 10,000 found living in California this ...

Adult monarch butterflies are large with bright orange wings, white spots and black veins and boarder. The U.S. Fish and Wildlife Service is recommending federal protections for the species as factors ...

The count estimated a winter population of 9,119 monarchs this year as climate change, habitat loss, pesticides and disease ...

The U.S. Fish and Wildlife Service is taking steps to list monarch butterflies as threatened species and designate seven ...

In 2023, more than 16,000 butterflies were counted at one local grove. The most recent count was a tiny fraction of that.

Some research indicates that certain types of milkweed such as Asclepias Curassavica the tropical variety sold at home ...

On Thursday, invertebrate conservation group the Xerxes Society released the results of their 28th annual Western Monarch ...

Scientists are grappling with a stark population decline of the western monarch butterfly after the species’ numbers hit a ...

Monarch butterflies (Danaus plexippus ... What we need is reliable long-term data on adult numbers. Hence the call to reinvigorate interest in mark-recapture and reporting. We need the help ...

Adult monarch butterflies are large with bright orange wings, white spots and black veins and boarder. The U.S. Fish and Wildlife Service is recommending federal protections for the species as ...

Citizen scientists are called on to help with tagging monarch butterflies and find out why their numbers are dropping.