Nightjar

• Science: Biology: Plants and Animals: Animalia: Chordata: Aves: Caprimulgiformes 

• All About Birds: Common Poorwill  - Information on Common Poorwill or Phalaenoptilus nuttallii, a small nightjar found in North America and one of the few birds known to hibernate.
• All About Birds: Whip-poor-will  - Identification, life history, and sound file for Caprimulgus vociferus or Whip-poor-will.
• Audubon: Whip-poor-will  - Information on the endangered bird, with rate of decline, appearance, call, behaviour, and conservation issues.
• Forestry Commission: Nightjar  - Description, habitat, breeding, diet and threats, plus information on how the UK Forestry Commission manage woods to provide a suitable habitat and food supply.
• The Internet Bird Collection: Nightjars (Caprimulgidae)  - Photographs and videos of various species of poorwill and nightjar.
• Nightjars & Allies - Caprimulgidae  - Describes some of the eighty six species to be found around the world, with some photographs. Includes books owned or recommended by the author.
• RSPB: Nightjar  - Describes the European Nightjar, a summer migrant in the UK. Includes where and when to see them, estimated numbers, a video, and sound clip.
• UK Biodiverstity Action Plan  - Current status of the European nightjar in the UK, species management, future research and local implementation.
• United States Nightjar Survey Network  - Project of the Center for Conservation Biology gathering data about Nightjars, Whip-poor-wills, Chuck-will’s Widows and Common Nighthawks in the USA. Includes protocols, information on participation, and results.
• White-winged Nightjar  - Photographs of, and status information on Caprimulgus candicans, the White-winged nightjar, an endangered species with only a few hundred birds left.
• Wild Birds Unlimited: Common Pauraque  - Nyctidromus albicollis, also called the Common Paraque, is a nightjar found from southern Texas to the American tropics in semi-open scrub country. With illustrations, range map and related species.