المؤلفون: Simon, John C., Pratt, Thane K., Berlin, Kim E., Kowalsky, James R., Fancy, Steven G., Hatfield, Jeff S.

المصدر: The Condor, 2002 Aug 01. 104(3), 469-481.

URL الوصول: https://www.jstor.org/stable/1370728

المؤلفون: Simon, John C., Pratt, Thane K., Berlin, Kim E., Kowalsky, James R.

المصدر: The Condor, 2001 Nov 01. 103(4), 736-745.

URL الوصول: https://www.jstor.org/stable/1370106

المؤلفون: Pratt, Thane K., Simon, John C., Farm, Brian P., Berlin, Kim E., Kowalsky, James R.

المصدر: The Condor, 2001 Nov 01. 103(4), 746-755.

URL الوصول: https://www.jstor.org/stable/1370107

المؤلفون: Berlin, Kim E., Simon, John C., Pratt, Thane K., Baker, Paul E., Kowalsky, James R.

المصدر: Journal of Field Ornithology, 2001 Jan 01. 72(1), 12-21.

URL الوصول: https://www.jstor.org/stable/4514553

المؤلفون: Simon, John C., Pratt, Thane K., Berlin, Kim E., Kowalsky, James R.

المصدر: The Wilson Bulletin, 2000 Dec 01. 112(4), 482-490.

URL الوصول: https://www.jstor.org/stable/4164267

المؤلفون: Berlin, Kim E., Pratt, Thane K., Simon, John C., Kowalsky, James R., Hatfield, Jeff S.

المصدر: Biotropica, 2000 Mar 01. 32(1), 90-99.

URL الوصول: https://www.jstor.org/stable/2663814

المؤلفون: Simon, John C., Pratt, Thane K., Berlin, Kim E., Kowalsky, James R.

المصدر: Journal of Field Ornithology, 1998 Oct 01. 69(4), 654-660.

URL الوصول: https://www.jstor.org/stable/4514371

المؤلفون: Berlin, Kim E., Clark, Anne B.

المصدر: Ethology; Jun98, Vol. 104 Issue 6, p531, 14p

مصطلحات موضوعية: BUDGERIGAR, ANIMAL calls, PARENTAL behavior in animals

المؤلفون: Berlin, Kim E., Simon, John C., Pratt, Thane K., Kowalsky, James R., Hatfield, Jeff S.

المصدر: Studies in Avian Biology; Mar2001, Issue 22, p202, 11p, 7 Charts, 3 Graphs