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

The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in ...

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

Thogmartin and other researchers have evaluated more than 200 scenarios for restoring greater than 1.3 billion stems of ...

You may be aware that Monarch butterflies are endangered. This is due to the loss of habitat and the use of pesticides.

Monarch butterfly populations have declined nearly 95% since the 1950's, mainly due to habitat loss. The Deschutes Land Trust ...

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

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

The proposal to list the monarch as a threatened species is not a done deal. The FWS invites comments from the general public ...

Habitat destruction ... Xerces Society and the University of Nevada-Reno found that milkweed leaves, the main food source for the monarch caterpillar, were contaminated by 64 pesticides.

Monarch butterfly numbers at Pismo Grove have dropped significantly this year, according to the nonprofit Xerces Society’s ...

Fewer-than-usual monarch butterflies migrated through ... Outside of the weather, habitat loss and a decline in milkweed and nectar plants has reduced the butterfly population, Howard said.