Multicolored glass bright on blue background and colorful Texture. Is a mosaic glass that is used to decorate a picture of a window door. Multicolored glass bright on blue background and colorful ...

U.S. Fish and Wildlife Service via Flickr under CC BY 2.0 Butterfly populations in the United States have dropped by almost a quarter in the last two decades, according to a new analysis published ...

Two-thirds of studied species declined by more than 10%, the study said. Butterfly populations have dropped by 22% across 554 recorded species in the United States, according to a new study in the ...

The findings revealed that 33% of butterfly species have experienced significant population declines over the past two decades, with 107 out of the 342 species examined losing more than half of ...

US butterfly populations have declined by 22% since 2000, with 114 species showing significant drops. A study published in Science found insecticides, climate change, and habitat loss are driving ...

Over the past 20 years the U.S. butterfly population has declined 22%, a dramatic loss that has scientists concerned. "The easy number to think about is the total number of butterflies in your yard.