कैप्रीमुलगिनाए (Caprimulginae) छप्पा पक्षियों की जातियों का जीववैज्ञानिक उपकुल है। इस उपकुल के अंतर्गत कई वंश हैं।[1][2][3][4][5]
- ↑ Fain, M. G.; Houde, P. (2004). "Parallel radiations in the primary clades of birds". Evolution. 58 (11): 2558–2573. doi:10.1554/04-235. PMID 15612298. S2CID 1296408.
- ↑ Knox, Alan G.; Collinson, Martin; Helbig, Andreas J.; Parkin, David T.; Sangster, George (2002). "Taxonomic recommendations for British birds". Ibis. 144 (4): 707–710. doi:10.1046/j.1474-919X.2002.00110.x.
- ↑ Olson, S. L. (1985) "The fossil record of birds". Avian biology (D. S. Farner and King, J. R. and K. C. Parkes, eds.) 8: 79–238, Academic Press, Orlando.
- ↑ Boyd, John (2007). "Caprimulgidae: Nightjars, Nighthawks" (PDF). John Boyd's website. अभिगमन तिथि 30 December 2017.
- ↑ "Birds in Sanskrit Literature: With 107 Bird Illustrations," K. N. Dave, Pg 171, Motilal Banarsidass Publishers, 2005, ISBN 9788120818422, "... Hindi छप्पा and Marwari छापो for a Nightjar, also Sansk. छिप्पिका seem to be from the root चप् ..."