Kim Taylor / Peppered moth {Biston betularia} normal and melanic forms on birch trunk. UK.

RACHEL HINGLEY / Peppered moth (Biston betularia) Monkwood NR Near Worcester

Robert Thompson / Peppered moth (Biston betularia) camouflaged among lichens, Banbridge, County Down, Northern Ireland, June.

Robert Thompson / Peppered moth (Biston betularia) camouflaged among lichens, Banbridge, County Down, Northern Ireland, June.

David Kjaer / Peppered moth caterpillar (Biston betularia) Wiltshire, England, UK, October.

Ingo Arndt / Peppered moth (Biston betularia) camouflaged amongst lichen on tree trunk, Germany

MYN / Dirk Funhoff / Peppered moth (Biston betularia), Mechtersheim, Pfalz, Germany. July. Meetyourneighbours.net project

Chris Mattison / Peppered moth (Biston betularia) light colour form. camouflaged, Drumnadrochit, Inverness, Scotland, August.

Cyril Ruoso / Peppered Moth (Biston betularia) caterpillar stage, France, September

Nature Production / Caterpillar larva of Peppered Moth (Biston betularia parvus) camouflaged as twig, Japan

Alex Hyde / Peppered Moth (Biston betularia), typical form, camouflaged on birch tree bark. Derbyshire, UK, July.

Alex Hyde / Peppered Moth (Biston betularia), typical form.