White-throated Nightjar (Caprimulgus mysticalis)
- Brief facts about this species' behavior and physical appearance. Includes a photo and sound recording.
- http://www.epa.qld.gov.au/nature_conservation/wildlife/native_animals/nocturnal_animals/birds/whitethroated_nightjar/

Whip-poor-will (Caprimulgus vociferus)
- Describes this bird's feeding habits, nesting, habitat, and physical appearance. Includes an illustration.
- http://www.birds.cornell.edu/BOW/whpwil/

Whip-poor-will (Caprimulgus vociferus)
- Photo, range maps, and facts about this bird's diet, habitat, and physical characteristics.
- http://www.nenature.com/WhipPoorWill.htm

Lesser Nighthawk (Chordeiles acutipennis)
- Identification tips, migration status, breeding habitat, and taxonomy chart.
- http://www.mbr-pwrc.usgs.gov/id/framlst/i4210id.html

European Nightjar (Caprimulgus europaeus)
- Discusses the distinguishing features, habitat, and diet of this bird. Includes a photograph.
- http://www.borealforest.org/world/birds/european_nightjar.htm

Common Poorwill (Phalaenoptilus nuttallii)
- Identifying traits, photos, distribution maps, and taxonomy chart.
- http://www.mbr-pwrc.usgs.gov/id/framlst/i4180id.html

Common Pauraque (Nyctidromus albicollis)
- Photo plus brief facts about behavior, song, and range.
- http://www.greglasley.net/pauraque.html

Common Nighthawk (Chordeiles minor)
- Photo, sound file, and facts about this bird's habitat, diet, and physical traits.
- http://www.nenature.com/CommonNighthawk.htm

Antillean Nighthawk (Chordeiles gundlachii)
- Photo of this species taken in Florida.
- http://www.avesphoto.com/website/NA/species/NHKANT-1.htm