The number of monarch butterflies spending the winter in the western United States dropped dramatically this year even as ...

The number of monarch butterflies spending winter in the western U.S. dropped dramatically this year, despite moves to extend ...

The natural phenomenon of the iconic monarch butterflies migrating south for the winter is a fascinating one - and it's one ...

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

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

The monarch butterfly population spending the winter in the western United States has declined to its second-lowest level in nearly three decades.

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

Overwintering populations of monarch butterflies in California have reached a near all-time low since records began, conservationists announced on Thursday. The ...

Explore the worrying decline of Monarch butterflies in Texas and the implications for pollination and food production. Learn why preserving these butterflies is vital for a sustainable ecosystem.

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

The monarch butterfly was first petitioned to be listed ... the main food source for the monarch caterpillar, were contaminated by 64 pesticides. One of these pesticides, methoxyfenozide, was ...