UK Butterfly Populations 1976–2024
Hover to identify
SIZE · how common the species is
COLOUR · long-term trend (1976–2024)iBlue = population has grown (full blue = +500% or more). Red = population has declined (full red = −90% or more).
SORT
EXTINCT IN THE UK AND RARE MIGRANTS ↓
No long-term data
Extinct in the UK
Large Copper Mazarine Blue Large Tortoiseshell Black-veined White
Rare migrants
Short-tailed Blue Long-tailed Blue Monarch Queen of Spain Fritillary Camberwell Beauty Berger's Clouded Yellow Pale Clouded Yellow Bath White
Resident (insufficient data)
Mountain Ringlet
ukbms.org/species