Trees, hedgerows and small copses can significantly increase the number of butterflies in farmed landscapes, a study has ...

The Big Butterfly Count is back again this summer, running from Friday 18th July until Sunday 10th August 2025. The event ...

Monarch butterfly numbers in Pacific Grove have drastically decreased this season, causing concern among scientists and conservationists. The Pacific Grove Museum of Natural History reports low ...

University of Oxford researchers have led a new study which found that hedgerows, small copses and even individual trees can ...

Science | NPR Butterfly numbers have fallen by nearly a quarter since 2000. Butterflies of all kinds of species, in all parts of the country, have declined by one to two percent per year since 2000.

Butterfly numbers increase this year but decrease long term, figures show Habitat loss is understood to be the main reason for the declining abundance of the colourful insects.

“The numbers are low throughout the Upper Midwest,” she said. Monarch butterflies, known for a jaw-dropping fall migration of up to 3,000 miles, have been in decline since the 1990s, due to ...

Butterflies of all kinds of species, ... Since 2000, the number of butterflies in the United States has fallen by 22%, on average, researchers report Thursday in the journal Science.