 | original on 11 January 2016. Retrieved 30 December 2015. John Boyd's website [2] Boyd, John (2007). "Anseriformes – waterfowl". Retrieved 30 December... 37 KB (2,440 words) - 00:20, 19 April 2024 |
 | PMID 15095249. S2CID 32140353. Boyd, John (2007). "Caprimulgidae: Nightjars, Nighthawks" (PDF). John Boyd's website. Retrieved 30 December 2017. "Comparison... 16 KB (1,596 words) - 16:25, 30 March 2024 |
 | 59–64. ISSN 1098-660X. Retrieved 12 August 2009. Boyd, John (2007). "NEOAVES- COLUMBEA". John Boyd's website. Retrieved 30 December 2015. Torres, Chris R;... 41 KB (4,130 words) - 07:20, 15 April 2024 |
 | 1-22; https://doi.org/10.3390/birds2010001 Boyd, John (2007). "NEORNITHES: 46 Orders" (PDF). John Boyd's website. Retrieved 30 December 2017. Claramunt,... 15 KB (1,100 words) - 10:01, 13 January 2024 |
 | 3390/biology2010419. PMC 4009869. PMID 24832669. Boyd, John (2007). "NEORNITHES: 46 Orders" (PDF). John Boyd's website. Retrieved 30 December 2017.[unreliable... 30 KB (1,946 words) - 21:04, 11 April 2024 |
 | age makes this rather unlikely. Based on the Taxonomy in Flux from John Boyd's website. The following table is based on the HBW and BirdLife International... 10 KB (691 words) - 19:24, 11 August 2023 |
 | 1-22; https://doi.org/10.3390/birds2010001 Boyd, John (2007). "NEORNITHES: 46 Orders" (PDF). John Boyd's website. Retrieved 30 December 2017. Portal: Birds... 13 KB (449 words) - 16:56, 10 June 2023 |
 | Greek-English Lexicon. Perseus Digital Library. Boyd, John (2007). "Otididae" (PDF). John Boyd's website. Retrieved 30 December 2015. "Turacos, bustards... 25 KB (1,667 words) - 11:41, 25 March 2024 |
Geese" (PDF). John Boyd's website. Retrieved 30 December 2017. Boyd, John (2007). "Tadornini: Shelducks and Sheldgeese" (PDF). John Boyd's website. Retrieved... 71 KB (4,540 words) - 11:10, 11 March 2024 |
 | https://doi.org/10.1038/s41586-024-07323-1 Boyd, John (2007). "NEORNITHES: 46 Orders" (PDF). John Boyd's website. Archived (PDF) from the original on 9 October... 233 KB (23,344 words) - 21:06, 22 April 2024 |