The Broad-winged Hawk migration is being monitored at Cornell. Check here to see daily maps of the migration. Inc. A useful reference for birding - descriptions of North American birds The Virtual Birder , an Ezine for birders, offers interesting virtual birding tours including the Virtual Hawk Watch . They also offer good hawks in flight photo gallery by Brian K. Wheeler.
Optics are an important part of hawk watching.
Better View Desired is a useful resource for selecting the right optics. The Raptor Center has some useful information on raptor rehabilitation.