The Xerces blue butterfly went extinct along the San Francisco coast some 80 years ago. But scientists have identified a ...

The California Academy of Sciences used genetic testing to identify a blue butterfly species similar to the Xerces species that went extinct and disappeared from the San Francisco coastline. Through ...

The high-altitude forest here is the perfect microclimate for the species, and it’s one of the few places in the world where ...

FILE - A Monarch butterfly rests near a stream at Piedra Herrada sanctuary in the mountains near Valle de Bravo, Mexico, Jan. 4, 2023. (AP Photo/Marco Ugarte, File) Advertisement ...

MEXICO CITY (AP) — The number of monarch butterflies wintering in the mountains west of Mexico City rebounded this year, doubling the area they covered in 2024 despite the stresses of climate ...

Mexico’s Commission for National Protected Areas (CONANP) said that this year, butterflies covered 4.4 acres (1.79 hectares) compared to only 2.2 acres (0.9 hectares) the year before.