Aubin T, Jouventin P, Hildebrand C (2000) Penguins use the two-voice system to recognize each other. Proc R Soc Lond B 267:1081–1087
Balsby TJS, Bradbury JW (2009) Vocal matching by orange-fronted conures (Aratinga canicularis). Behav Process 82:133–139
Balsby TJS, Momberg JV, Dabelsteen T (2012) Vocal imitation in parrots allows addressing of specific individuals in a dynamic communication network. PLoS ONE 7:e49747
Beecher MD, Campbell SE, Burt JM (1994) Song perception in the song sparrow: birds classify by song type but not by singer. Anim Behav 47:1343–1351
Berg K, Delgado S, Cortopassi KA, Beissinger SR, Bradbury JW (2011a) Vertical transmission of vocal signatures in a wild parrot. Proc R Soc Lond B 279:585–591
Berg KS, Delgado S, Okawa R, Beissinger SR, Bradbury JW (2011b) Contact calls are used for individual mate recognition in free-ranging green-rumped parrotlets, Forpus passerinus. Anim Behav 81:241–248
Boughman JW (1998) Vocal learning by greater spear-nosed bats. Proc R Soc Lond B 265:227–233
Boughman JW, Moss CF (2003) Social sounds: vocal learning and development of mammal and bird calls. In: Simmons AM, Popper AN, Fay RR (eds) Acoustic communication. Springer Verlag, New York, pp 138–224
Brown ED, Farabaugh SM (1997) What birds with complex social relationships can tell us about vocal learning: vocal sharing in avian groups. In: Snowdon CT, Hausberger M (eds) Social influences on vocal development. Cambridge University Press, Cambridge, pp 98–127
Buckstaff KC (2004) Effects of watercraft noise on the acoustic behavior of bottlenose dolphins, Tursiops truncatus, in Sarasota Bay, Florida. Mar Mammal Sci 20:709–725
Burdin VI, Reznik AM, Skornyakov VM, Chupakov AG (1975) Communication signals of the black sea bottlenose dolphin. Soviet Physics Acoustics 20:314–318
Caldwell MC, Caldwell DK (1965) Individualized whistle contours in bottlenose dolphins (Tursiops truncatus). Nature 207:434–435
Caldwell MC, Caldwell DK (1968) Vocalization of naive captive dolphins in small groups. Science 159:1121–1123
Caldwell MC, Caldwell DK (1971) Statistical evidence for individual signature whistles in Pacific whitesided dolphins, Lagenorhynchus obliquidens. Cetology 3:1–9
Caldwell DK, Caldwell MC (1977) Cetaceans. In: Sebeok TA (ed) How animals communicate. Indiana University Press, Bloomington, pp 794–808
Caldwell MC, Caldwell DK (1979) The whistle of the Atlantic bottlenosed dolphin (Tursiops truncatus)-ontogeny. In: Winn HE, Olla BL (eds) Behavior of marine animals: Current perspectives in research, vol 3., CetaceansPlenum Press, New York, pp 369–401
Caldwell MC, Caldwell DK, Miller JF (1973) Statistical evidence for individual signature whistles in the spotted dolphin, Stenella plagiodon. Cetology 16:1–21
Caldwell MC, Caldwell DK, Tyack PL (1990) Review of the signature-whistle-hypothesis for the Atlantic bottlenose dolphin. In: Leatherwood S, Reeves RR (eds) The bottlenose dolphin. Academic Press, San Diego, pp 199–234
Catchpole CK, Slater PJB (2008) Bird song: biological themes and variations, 2nd edn. Cambridge University Press, Cambridge
Connor RC, Heithaus MR, Barre LM (2001) Complex social structure, alliance stability and mating access in a bottlenose dolphin ‘super-alliance’. Proc Roy Soc Lond B 268:263–267
Cook MLH, Sayigh LS, Blum JE, Wells RS (2004) Signature-whistle production in undisturbed free-ranging bottlenose dolphins (Tursiops truncatus). Proc R Soc Lond B 271:1043–1049
Cortopassi KA, Bradbury JW (2006) Contact call diversity in wild orange-fronted parakeet pairs, Aratinga canicularis. Anim Behav 71:1141–1154
de Figueiredo LD, Simão SM (2009) Possible occurrence of signature whistles in a population of Sotalia guianensis (Cetacea, Delphinidae) living in Sepetiba Bay, Brazil. J Acoust Soc Am 126:1563–1569
Deecke VB, Janik VM (2006) Automated categorization of bioacoustic signals: avoiding perceptual pitfalls. J Acoust Soc Am 119:645–653
Dreher JJ (1961) Linguistic considerations of porpoise sounds. J Acoust Soc Am 33:1799–1800
Dreher JJ (1966) Cetacean communication: small-group experiment. In: Norris KS (ed) Whales, dolphins, and porpoises. University of California Press, Berkeley, pp 529–541
Dreher JJ, Evans WE (1964) Cetacean communication. In: Tavolga WN (ed) Marine bio-acoustics. Pergamon Press, Oxford, pp 373–393
Esch HC, Sayigh LS, Blum JE, Wells RS (2009a) Whistles as potential indicators of stress in bottlenose dolphins (Tursiops truncatus). J Mammal 90:638–650
Esch HC, Sayigh LS, Wells RS (2009b) Quantifying parameters of bottlenose dolphin signature whistles. Mar Mammal Sci 24:976–986
Ford JKB (1989) Acoustic behaviour of resident killer whales (Orcinus orca) off Vancouver Island, British Columbia. Can J Zool 67:727–745
Fripp D (2005) Bubblestream whistles are not representative of a bottlenose dolphin’s vocal repertoire. Mar Mammal Sci 21:29–44
Fripp D, Owen C, Quintana-Rizzo E, Shapiro A, Buckstaff K, Jankowski K, Wells R, Tyack P (2005) Bottlenose dolphin (Tursiops truncatus) calves appear to model their signature whistles on the signature whistles of community members. Anim Cog 8:17–26
Gridley T, Cockcroft VG, Hawkins ER, Lemon-Blewitt M, Morisaka T, Janik VM (2013) Signature whistles in free ranging populations of Indo-Pacific bottlenose dolphins, Tursiops aduncus. Mar Mammal Sci (in press)
Gwinner E, Kneutgen J (1962) Über die biologische Bedeutung der “zweckdienlichen” anwendung erlernter laute bei vögeln. Z Tierpsychol 19:692–696
Harley HE (2008) Whistle discrimination and categorization by the Atlantic bottlenose dolphin (Tursiops truncatus): a review of the signature whistle framework and a perceptual test. Behav Process 77:243–268
Herman LM (2006) Intelligence and rational behaviour in the bottlenosed dolphin. In: Hurley S, Nudds M (eds) Rational animals? Oxford University Press, Oxford, pp 439–467
Herman LM, Richards DG, Wolz JP (1984) Comprehension of sentences by bottlenosed dolphins. Cognition 16:129–219
Hile AG, Plummer TK, Striedter GF (2000) Male vocal imitation produces call convergence during pair bonding in budgerigars. Anim Behav 59:1209–1218
Hurford JR (2007) The origins of meaning: language in the light of evolution. Oxford University Press, Oxford
Janik VM (1999) Pitfalls in the categorization of behaviour: a comparison of dolphin whistle classification methods. Anim Behav 57:133–143
Janik VM (2000) Whistle matching in wild bottlenose dolphins (Tursiops truncatus). Science 289:1355–1357
Janik VM (2009) Acoustic communication in delphinids. Adv Stud Behav 40:123–157
Janik VM (2013) Cognitive skills in bottlenose dolphin communication. Trends Cogn Sci 17:157–159
Janik VM, Slater PJB (1997) Vocal learning in mammals. Adv Stud Behav 26:59–99
Janik VM, Slater PJB (1998) Context-specific use suggests that bottlenose dolphin signature whistles are cohesion calls. Anim Behav 56:829–838
Janik VM, Dehnhardt G, Todt D (1994) Signature whistle variations in a bottlenosed dolphin, Tursiops truncatus. Behav Ecol Sociobiol 35:243–248
Janik VM, Sayigh LS, Wells RS (2006) Signature whistle contour shape conveys identity information to bottlenose dolphins. Proc Natl Acad Sci USA 103:8293–8297
Janik VM, King SL, Sayigh LS, Wells RS (2013) Identifying signature whistles from recordings of groups of unrestrained bottlenose dolphins (Tursiops truncatus). Mar Mammal Sci 29:1–14
King SL, Sayigh LS, Wells RS, Fellner W, Janik VM (2013) Vocal copying of individually distinctive siganture whistles in bottlenose dolphins. Proc R Soc Lond B 280:20130053
Kroodsma DE, Houlihan PW, Fallon PA, Wells JA (1997) Song development by grey catbirds. Anim Behav 54:457–464
Mammen DL, Nowicki S (1981) Individual differences and within-flock convergence in chickadee calls. Behav Ecol Sociobiol 9:179–186
Marino L, Connor RC, Fordyce RE et al (2007) Cetaceans have complex brains for complex cognition. PLoS Biol 5:e139
McBride AF, Hebb DO (1948) Behavior of the captive bottle-nose dolphin, Tursiops truncatus. J Comp Physiol Psychol 41:111–123
McCowan B, Reiss D (1995a) Quantitative comparison of whistle repertoires from captive adult bottlenose dolphins (Delphinidae, Tursiops truncatus): a re-evaluation of the signature whistle hypothesis. Ethology 100:194–209
McCowan B, Reiss D (1995b) Whistle contour development in captive-born infant bottlenose dolphins (Tursiops truncatus): role of learning. J Comp Psychol 109:242–260
McCowan B, Reiss D (2001) The fallacy of ‘signature whistles’ in bottlenose dolphins: a comparative perspective of ‘signature information’ in animal vocalizations. Anim Behav 62:1151–1162
Miksis JL, Tyack PL, Buck JR (2002) Captive dolphins, Tursiops truncatus, develop signature whistles that match acoustic features of human-made model sounds. J Acoust Soc Am 112:728–739
Miller PJO, Bain DE (2000) Within-pod variation in the sound production of a pod of killer whales, Orcinus orca. Anim Behav 60:617–628
Mundinger PC (1970) Vocal imitation and individual recognition of finch calls. Science 168:480–482
Nakahara F, Miyazaki N (2011) Vocal exchanges of signature whistles in bottlenose dolphins (Tursiops truncatus). J Ethol 29:309–320
Nordby JC, Campbell SE, Beecher MD (2007) Selective attrition and individual song repertoire development in song sparrows. Anim Behav 74:1413–1418
Nousek AE, Slater PJB, Wang C, Miller PJO (2006) The influence of social affiliation on individual vocal signatures of northern resident killer whales (Orcinus orca). Biol Lett 2:481–484
Quick NJ, Janik VM (2008) Whistle rates of wild bottlenose dolphins: influences of group size and behavior. J Comp Psychol 122:305–311
Quick NJ, Janik VM (2012) Bottlenose dolphins exchange signature whistles when meeting at sea. Proc R Soc Lond B 279:2539–2545
Reiss D, McCowan B (1993) Spontaneous vocal mimicry and production by bottlenose dolphins (Tursiops truncatus): evidence for vocal learning. J Comp Psychol 107:301–312
Richards DG, Wolz JP, Herman LM (1984) Vocal mimicry of computer-generated sounds and vocal labeling of objects by a bottlenosed dolphin, Tursiops truncatus. J Comp Psychol 98:10–28
Sayigh LS, Janik VM (2010) Signature whistles. In: Breed MD, Moore J (eds) Encyclopedia of animal behavior. Academic Press, Oxford
Sayigh LS, Tyack PL, Wells RS, Scott MD (1990) Signature whistles of free-ranging bottlenose dolphins, Tursiops truncatus: mother-offspring comparisons. Behav Ecol Sociobiol 26:247–260
Sayigh LS, Tyack PL, Wells RS, Scott MD, Irvine AB (1995) Sex differences in signature whistle production of free-ranging bottlenose dolphins, Tursiops truncatus. Behav Ecol Sociobiol 36:171–177
Sayigh LS, Tyack PL, Wells RS, Solow AR, Scott MD, Irvine AB (1999) Individual recognition in wild bottlenose dolphins: a field test using playback experiments. Anim Behav 57:41–50
Sayigh LS, Esch HC, Wells RS, Janik VM (2007) Facts about signature whistles of bottlenose dolphins (Tursiops truncatus). Anim Behav 74:1631–1642
Sayigh LS, Quick NJ, Hastie G, Tyack P (2013) Repeated call types in short-finned pilot whales, Globicephala macrorhynchus. Mar Mammal Sci 29
Searcy WA, Beecher MD (2009) Song as an aggressive signal in songbirds. Anim Behav 78:1281–1292
Shapiro AD (2006) Preliminary evidence for signature vocalizations among free-ranging narwhals (Monodon monoceros). J Acoust Soc Am 120:1695–1705
Smolker R, Pepper JW (1999) Whistle convergence among allied male bottlenose dolphins (Delphinidae, Tursiops sp.). Ethology 105:595–617
Smolker RA, Mann J, Smuts BB (1993) Use of signature whistles during separations and reunions by wild bottlenose dolphin mothers and infants. Behav Ecol Sociobiol 33:393–402
Thorpe WH, North MEW (1966) Vocal imitation in the tropical bou–bou shrike Laniarius aethiopicus
major as a means of establishing and maintaining social bonds. Ibis 108:432–435
Tibbetts EA, Dale J (2007) Individual recognition: it is good to be different. Trends Ecol Evol 22:529–537
Tyack P (1986) Whistle repertoires of two bottlenosed dolphins, Tursiops truncatus: mimicry of signature whistles? Behav Ecol Sociobiol 18:251–257
Tyack P (1991) Use of a telemetry device to identify which dolphin produces a sound. In: Pryor K, Norris KS (eds) Dolphin Societies: discoveries and puzzles. University of California Press, Berkeley, pp 319–344
Tyack PL, Sayigh LS (1997) Vocal learning in cetaceans. In: Snowdon CT, Hausberger M (eds) Social influences on vocal development. Cambridge University Press, Cambridge, pp 208–233
van Parijs SM, Corkeron PJ (2001) Evidence for signature whistle production by a Pacific humpback dolphin, Sousa chinensis. Mar Mammal Sci 17:944–949
Vignal C, Mathevon N, Mottin S (2004) Audience drives make songbird response to partner’s voice. Nature 430:448–451
Wanker R, Sugama Y, Prinage S (2005) Vocal labelling of family members in spectacled parrotlets, Forpus conspicillatus. Anim Behav 70:111–118
Watwood SL, Tyack PL, Wells RS (2004) Whistle sharing in paired male bottlenose dolphins, Tursiops truncatus. Behav Ecol Sociobiol 55:531–543
Watwood SL, Owen ECG, Tyack PL, Wells RS (2005) Signature whistle use by temporarily restrained and free-swimming bottlenose dolphins, Tursiops truncatus. Anim Behav 69:1373–1386
Zann R (1990) Song and call learning in wild zebra finches in south-east Australia. Anim Behav 40:811–828