An irruption year for Bubo scandiacus.
'Their appearance in numbers has taken Snowy Owl experts by surprise. “We expected it was going to be a dull winter,” says Scott Weidensaul, naturalist and co-founder of Project SNOWstorm, a research project focused on the species. Weidensaul and his team hadn’t heard the reports of significant breeding that would typically precede a major southward irruption of owls. But “the Canadian Arctic is a big place,” he says.'
https://www.audubon.org/magazine/unexpected-baby-boom-bringing-snowy-owls-south-winter
