 The peregrine population of Langara Island is now believed to be about 25% of what it once was.The current population of the eastern sub-group of "F. p. pealei" is about 20 breeding pairs in Washington, about 100 pairs in British Columbia, and about another 100 pairs in the Alexander Archipelago.Along the south side of the Alaska Peninsula, the Kodiak Islands, portions of Cook Inlet, the Kenai Peninsula, Prince William Sound, and eastward to Glacier Bay constitutes the central sub-population of "F. p. pealei".