Rujukan Cabak timur (burung)

  1. BirdLife International. 2018. Antrostomus vociferus. The IUCN Red List of Threatened Species 2018: e.T22736393A152619806. Retrieved 19 December 2018.
  2. "Whip-poor-will". All About Birds.
  3. Holyoak, D.T. (2001). Nightjars and their Allies: the Caprimulgiformes. Oxford, New York: Oxford University Press. ISBN 978-0-19-854987-1.
  4. For example, Henninger (1906) combines the old scientific name of C. carolinensis with the common name "whip-poor-will". As C. carolinensis does not occur in the area discussed, he obviously refers to C. vociferus. In other cases, the specific identity of birds may not be determinable.
  5. MWP (2008)
  6. "Tracking the Mysterious Whip-Poor-Will". WPI (dalam bahasa Inggeris). Dicapai pada 2019-03-06.
  7. BLI (2004)
  8. "Eastern Whip-poor-will Life History, All About Birds, Cornell Lab of Ornithology". www.allaboutbirds.org (dalam bahasa Inggeris). Dicapai pada 2019-03-06.
  9. Chesser, R. T.; Banks, R. C.; Barker, F. K.; Cicero, C.; Dunn, J. L.; Kratter, A. W.; Lovette, I. J.; Rasmussen, P. C.; Remsen Jr, J. V. (2010). "Fifty-first supplement to the American Ornithologists' Union Check-list of North American Birds". Auk. 127 (3): 726–744. doi:10.1525/auk.2010.127.3.726.
  10. Hooper, Wayne. "Sadly, call of whip-poor-will is being heard less". seacoastonline.com (dalam bahasa Inggeris). Dicapai pada 2019-03-06.
  11. BirdLife International. "Red List: Northern Bald Ibis, Pink Pigeon making a comeback". BirdLife (dalam bahasa Inggeris). Dicapai pada 2018-11-23.
  12. "Are Whip-poor-will populations declining? What can we do about it?". All About Birds (dalam bahasa Inggeris). 2009-04-01. Dicapai pada 2019-03-06.

Rujukan

WikiPedia: Cabak timur (burung) http://www.allaboutbirds.org/guide/whip-poor-will/... http://www.birdlife.org/worldwide/news/red-list-no... http://www.boldsystems.org/index.php/TaxBrowser_Ta... //doi.org/10.1525%2Fauk.2010.127.3.726 https://www.seacoastonline.com/article/20110613/Sp... https://www.wpi.edu/news/tracking-mysterious-whip-... https://www.itis.gov/servlet/SingleRpt/SingleRpt?s... https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwt... https://www.allaboutbirds.org/are-whip-poor-will-p... https://www.allaboutbirds.org/guide/Eastern_Whip-p...