Appears only in Northern America. Its size is similar to our hawk. Its wingspan is around 60 centimeters with a weight of around 100 grams. Females are slightly heavier as their weight can even reach 150 grams. I think they are quite common as I was able to photograph them twice in one day, without any masking, in the suburbian area of Montreal. Its attention was caught by much smaller birds, which gathered near the winter feeders. After its arrival and taking the position you could observe the sudden “stillness” of the place. It was easier to photograph (in my case) than it was before, in Poland.