This was at the same time as he was formulating his own revolutionary ideas on the origins of species that he would go on to share with Charles Darwin. The small white moth, Topiris candidella ...

It is not a male anything. This is a female chaffinch, which appears to be suffering from leucism, causing the plumage to appear paler and more diluted than usual for this species. This makes the ...

Across 35 monitoring programs, scientists and volunteers have identified 12.6 million butterflies from 554 species at 2,478 unique locations. And Grames and her colleagues were able to use those ...