Sparrowhawk (Accipiter nisus)
- History, behavior, feeding habits, and status in the UK. Includes illustrations.
- http://www.birdsofbritain.co.uk/bird-guide/sparrowhawk.htm

Cooper's Hawk (Accipiter cooperii)
- Provides facts about this raptor's habitat, diet, and physical characteristics. Includes a photo.
- http://www.nenature.com/CoopersHawk.htm

Northern Goshawk (Accipiter gentilis)
- Offers a photo and detailed facts about this species' behavior.
- http://birds.cornell.edu/birdsofna/excerpts/goshawk.html

Tiny Sparrow-hawk (Accipiter superciliosus)
- Describes the physical appearance, diet, and behavior of this species, also known as the Tiny Hawk.
- http://www.hawk-conservancy.org/priors/tinyhawk.shtml

Sharp-shinned Hawk (Accipiter striatus)
- Species accounts includes range maps, photos, a taxonomy chart, and identification tips.
- http://www.mbr-pwrc.usgs.gov/id/framlst/i3320id.html