On Thursday, Island Girl flew across the rest of North Dakota and left the US. She had flown completely across six states (Texas, Oklahoma, Kansas, Nebraska, South Dakota and North Dakota) in less than five days.
She always seems to make her best time across the prairies of the US.
She traveled yet another 554 km (344 miles) for the day.
She flew into eastern Saskatchewan generally following her usual route as she approaches the famous boreal forests of Canada. She was approaching the edge of it that night.
She roosted in an open agricultural field just off Road 637 north of a town called Veregrin. Elevation was 1,550'. Duck Mountain Provincial Park was to her east.
Last year, she spent three days in this general area before continuing on. She is now in an area where peregrines have lingered or paused before, perhaps trying to get a sense of the spring and the snow cover ahead before heading into the far north to breed.
How do they sense when it is safe for them to continue north?