A census shows more butterflies in the U.K. this year, but scientists warn that the long-term decline continues.

More than two-fifths of British butterflies are threatened with extinction, with experts warning that action is needed to prevent species being lost. The latest Red List for British butterflies shows ...

Unlike the small tortoiseshell butterfly, the large tortoiseshell butterfly hasn't been a resident of the UK since the 1960s.

More than half of the butterfly species in the UK are in long-term decline for the first time and experts say human actions are to blame. The UK Butterfly Monitoring Scheme, run by a coalition of ...

WASHINGTON - Global warming is rescuing the once-rare brown Argus butterfly, scientists say. Climate change is threatening the existence of many species, such as the giant polar bear. But in the case ...

Wildlife charity Butterfly Conservation say that if sightings continue at this rate, they will officially remove the large tortoiseshell from their list of extinct British butterflies. Find out more ...

Butterfly populations in Catalonia in northern Spain are better than their UK counterparts at regulating their body temperature by basking in the sunshine, but rising global temperatures due to ...