This hunting tactic is why they prefer to nest on rocky ledges of steep bluffs or especially in urban areas, ledges on high-rise buildings.
Peregrine means “wanderer” and certain birds that nest in parts of Canada have the longest migration routes of any other bird in North America.
For more information you can also visit the following resources:
Cornell Lab of Ornithology at: http://www.allaboutbirds.org/guide/Peregrine_Falcon/id
Wisconsin Department of Natural Resources at: http://dnr.wi.gov/org/land/er/biodiversity/index.asp?mode=info&Grp=7&SpecCode=ABNKD06070