Hackett, Shannon J.; Kimball, Rebecca T.; Reddy, Sushma; Bowie, Rauri C. K.; Braun, Edward L.; Braun, Michael J.; Chojnowski, Jena L.; Cox, W. Andrew; Han, Kin-Lan; Harshman, John; Huddleston, Christopher J.; Marks, Ben D.; Miglia, Kathleen J.; Moore, William S.; Sheldon, Frederick H.; Steadman, David W.; Witt, Christopher C.; Yuri, Tamaki. A Phylogenomic Study of Birds Reveals Their Evolutionary History. Science. 2008-06-27, 320 (5884): 1763–1768 [2025-07-23]. doi:10.1126/science.1157704.
Martín-Vivaldi, Manuel; Palomino, José J.; Soler, Manuel. Strophe length in spontaneous songs predicts male response to playback in the Hoopoe Upupa epops. Ethology. 2004, 110 (5): 351–362. doi:10.1111/j.1439-0310.2004.00971.x.
Hildebrandt, B.; Schaub, M. The effects of hatching asynchrony on growth and mortality patterns in Eurasian Hoopoe Upupa epops nestlings. Ibis. 2018, 160 (1): 145–157. doi:10.1111/ibi.12529.
Hackett, Shannon J.; Kimball, Rebecca T.; Reddy, Sushma; Bowie, Rauri C. K.; Braun, Edward L.; Braun, Michael J.; Chojnowski, Jena L.; Cox, W. Andrew; Han, Kin-Lan; Harshman, John; Huddleston, Christopher J.; Marks, Ben D.; Miglia, Kathleen J.; Moore, William S.; Sheldon, Frederick H.; Steadman, David W.; Witt, Christopher C.; Yuri, Tamaki. A Phylogenomic Study of Birds Reveals Their Evolutionary History. Science. 2008-06-27, 320 (5884): 1763–1768 [2025-07-23]. doi:10.1126/science.1157704.
sejm.gov.pl
isap.sejm.gov.pl
conservation. Polska. [18 January 2022]. (原始内容存档于2025-05-06).