SAN DIEGO — U.S. Fish and Wildlife Service has proposed listing monarch butterflies as a threatened species and has considered some possibly contradictory ways to protect them, Nicholas Storer, vice ...

The Fort Indiantown Gap military base in Lebanon County is home to the world's only surviving population of the eastern regal fritillary, a large butterfly that the U.S. Fish and Wildlife Service ...

Late last year, the U.S. Fish and Wildlife Service announced rule changes that would impact habitats and listing or delisting ...

Add Yahoo as a preferred source to see more of our stories on Google. A monarch butterfly rests at a home in Whittier. (Christina House/Los Angeles Times) Federal wildlife officials on Tuesday moved ...

The once-common orange-and-black butterflies have declined by 90% in recent decades, with the latest count showing the second smallest population on record, according to the Center for Biological ...

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 ...

A study compiled data from more than 76,000 butterfly surveys across the continental U.S. The declines seen in the last 20 years alarmed researchers.

MADISON, Wis. (AP) — U.S. wildlife officials announced a decision Tuesday to extend federal protections to monarch butterflies after years of warnings from environmentalists that populations are ...

The U.S. Fish and Wildlife Service announced it would seek protections for the regal fritillary, a large non-migratory butterfly with orange and black markings. It's suffering from habitat loss in ...

NPR's Ayesha Rascoe talks with NPR science correspondent Jonathan Lambert about the decision, as well as other conservation efforts the U.S. Fish and Wildlife Service is proposing as 2024 winds down.

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The Western monarch population has plunged more than 95% since the 1980s, and has a more than 99% chance of extinction by 2080. Western monarchs primarily spend winters along the California coast.