Smoke from ongoing wildfires across Canada continued to drift into parts of the United States on Wednesday, causing hazy skies and triggering air quality alerts in multiple states across the upper Midwest and Northeast.

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, according to the Canadian Interagency Forest Fire Center (CIFFC). Smoke billowing from the blazes has blanketed central Canada and the northern U.S., prompting widespread air quality alerts.

The nearest river is about two miles away, but investigators determined the fish was scooped up by an osprey, which then dropped it onto a power line midflight.

Firefighters say a brush fire in the Canadian province of British Columbia was caused when a bird dropped a fish on power lines