Sask. birders continue to explore the trees through polar vortex for 'chirp' thrill Temperatures in Sask. plummeted to –50 C this past week, yet birders still stepped out to see their feather friends. Social Sharing Temperatures in Sask. lowered to –50 C, yet birders still stepped out to see their feathered friends Posted: Feb 16, 2021 5:00 AM CT | Last Updated: February 16 When the weather is cold, Rachel Ling said Nutty, her favourite red-breasted nuthatch, can look like a tiny puff ball.(Submitted by Rachel Ling)