This list of birds of Saskatchewan includes all the bird species confirmed in the Canadian province of Saskatchewan as determined by Nature Saskatchewan. As of September 2017, there were 436 species on the Nature Saskatchewan checklist. Of these species, 86 are considered stragglers and 43 are hypothetical; both terms are defined below. Ten species have been introduced to Saskatchewan or elsewhere in North America. One species is extinct, two have been extirpated, and another might be extinct. The following tags are used to describe some categories of occurrence.