In the 1950s, Bernard Kettlewell tested the idea experimentally by marking several hundred peppered moths (typicals as well as melanics) and releasing them onto tree trunks in a polluted woodland near ...

Get your class to predict which colour of peppered moth might be better camouflaged ... 4. If a light-coloured moth lands on the dark tree trunk set it aside. It’s been eaten by a bird! The same goes ...

It must have seemed terribly ironic to late University of Cambridge evolutionary biologist Michael Majerus, after dedicating nearly half a century to the study of peppered ... that soot-covered tree ...

Camera traps in a forest have caught video of two all-black wolves. Now scientists are investigating where they might have ...

an insect native to Europe that once had light gray wings with dark dots. The peppered moth frequently camouflaged itself against tree bark, which, until the Second Industrial Revolution ...

In the peppered moth ... deposits caused the tree bark to appear darker. Light coloured moths were no longer camouflaged and were more likely to be eaten by birds. The dark moths were now better ...