by Schunk, Raina S. K, Sitinas, Nicholas E, Quesenberry, Katherine E, Grodio, Jessica L
Published in Journal of avian medicine and surgery (01.12.2017)

by Sailler, Anaïs, Vanel, Maïa, Larrat, Sylvain, Risi, Emmanuel
Published in Journal of avian medicine and surgery (21.04.2021)

by Slunsky, Pavel, Halter, Lesley, Florczak, Svenja, Haake, Alexander, Brunnberg, Leo, Müller, Kerstin
Published in Journal of zoo and wildlife medicine (01.12.2017)

by Peet, R., Kirk, A., Behnke, J. M.
Published in Journal of zoology (1987) (01.04.2022)

by Ambrosini, Roberto, Cuervo, José Javier, du Feu, Chris, Fiedler, Wolfgang, Musitelli, Federica, Rubolini, Diego, Sicurella, Beatrice, Spina, Fernando, Saino, Nicola, Møller, Anders Pape
Published in The Journal of animal ecology (01.05.2016)

by Aydinonat, Denise, Penn, Dustin J, Smith, Steve, Moodley, Yoshan, Hoelzl, Franz, Knauer, Felix, Schwarzenberger, Franz
Published in PloS one (01.04.2014)

by Shrader, Trenton C, Carpenter, James W, Cino-Ozuna, Ada Giselle, Andrews, Gordon A
Published in Journal of avian medicine and surgery (01.06.2016)

by Cornero, Francesca M, Hartsfield, Leigh Ann, Pepperberg, Irene M
Published in Journal of comparative psychology (Washington, D.C. : 1983) (01.05.2020)

by Houck, Emma L, Keller, Krista A, Hawkins, Michelle G, Burton, Andrew G, Casey, Keriann M, Keel, Kevin, Tong, Nathan, Guzman, David Sanchez-Migallon
Published in Journal of avian medicine and surgery (01.09.2016)

by Enomoto, Takanori, Sekiya, Reina, Sugimoto, Hiroshi, Terashita, Tomomi, Yoshioka, Junya, Nagano, Tatsuya, Nishimura, Yoshihiro, Yano, Erika, Moriyama, Tatsuya, Nakata, Kyosuke
Published in Internal Medicine (15.07.2022)

by Pepperberg, Irene M., Nakayama, Ken
Published in Cognition (01.08.2016)

by Pepperberg, Irene M, Hartsfield, Leigh Ann
Published in Journal of comparative psychology (Washington, D.C. : 1983) (01.02.2024)

by Pepperberg, Irene M, Rosenberger, Virginia A
Published in Journal of comparative psychology (Washington, D.C. : 1983) (01.02.2022)

by Prikrylová, Katarína, Kovácsová, Denisa, Lindová, Jitka
Published in Journal of comparative psychology (Washington, D.C. : 1983) (01.11.2023)

by Smith, Gabriella E, Greene, Diana, Hartsfield, Leigh Ann, Pepperberg, Irene M
Published in Journal of comparative psychology (Washington, D.C. : 1983) (01.11.2021)

by Chaves Molina, Adriano Bruno, Masuet Cullell, Teresa, Colell Mimó, Montserrat
Published in Behaviour (2019)

by Pepperberg, Irene M, Gray, Suzanne L, Lesser, Justin S, Hartsfield, Leigh Ann
Published in Journal of comparative psychology (Washington, D.C. : 1983) (01.11.2017)

by Smith, Gabriella E., Bastos, Amalia P. M., Chodorow, Martin, Taylor, Alex H., Pepperberg, Irene M.
Published in Scientific reports (18.10.2022)

by Roubalová, Tereza, Jarůšková, Lucie, Chládková, Kateřina, Lindová, Jitka
Published in Animal cognition (24.06.2024)

by Lawson, Adam B., Hedrick, Brandon P., Echols, Scott, Schachner, Emma R.
Published in Journal of morphology (1931) (01.05.2021)