Watching for predators, she lays one egg about every two days. Altogether, she may lay around a dozen, depending on food availability. “Brown lemmings are the bottom line for snowy owls here ...

Some scientists point to genetic quirks called mutations as possible triggers for its unexpected look. Genes involved in ...

Making the predator more visible to the rodent prey, which freeze in fear, the owls’ whiteness made voles easier to kill, the ...