Noise-dependent song amplitude regulation in a territorial songbird

Amazi, 1982, The Lombard sign as a function of age and task, Journal of Speech and Hearing Research, 25, 581, 10.1044/jshr.2504.581 Belmore, 1973, The development of auditory feedback monitoring: delayed auditory feedback studies on the vocalizations of children aged six month to 18 month, Journal of Speech and Hearing Research, 16, 709, 10.1044/jshr.1604.709 Blackstock, 2000 Brenowitz, 1982, The active space of redwinged blackbird song, Journal of Comparative Physiology, Series A, 147, 511, 10.1007/BF00612017 Brown, 1989, The active space of blue monkey and grey-cheeked mangabey vocalizations, Animal Behaviour, 37, 1023, 10.1016/0003-3472(89)90146-2 Brown, 1972, The effect of masking on vocal intensity during vocal and whispered speech, Journal of Auditory Research, 12, 157 Brumm, Sound radiation patterns of nightingale songs, Journal für Ornithologie Brumm, 2001, Pattern amplitude is related to pattern imitation during the song development of nightingales, Animal Behaviour, 61, 747, 10.1006/anbe.2000.1664 Cynx, 1998, Amplitude regulation of vocalizations in noise by a songbird, Taeniopygia guttata, Animal Behaviour, 56, 107, 10.1006/anbe.1998.0746 Dabelsteen, 1998, Quiet song in song birds: an overlooked phenomenon, Bioacoustics, 9, 89, 10.1080/09524622.1998.9753385 Dooling, 1991, Hearing in birds, 545 Dubois, 1984, A case of possible vocal convergence between frogs and a bird in Himalayan torrents, Journal für Ornithologie, 125, 455, 10.1007/BF01640137 Egan, 1972, Psychoacoustics of the Lombard voice response, Journal of Auditory Research, 12, 318 Hultsch, H. 1980, Beziehungen zwischen Struktur, zeitlicher Variabilität und sozialem Einsatz des Gesangs der Nachtigall (Luscinia megarhynchos), Free University Berlin Hultsch, 1981, Repertoire sharing and song post distance in nightingales (Luscinia megarhynchos B.), Behavioral Ecology and Sociobiology, 8, 183, 10.1007/BF00299828 Hultsch, 1999, Auditory-visual stimulus pairing enhances perceptual learning in a songbird, Animal Behaviour, 58, 143, 10.1006/anbe.1999.1120 Janik, 2000, Source levels and the estimated active space of bottlenose dolphin (Tursiops truncatus) whistles in the Moray Firth, Scotland, Journal of Comparative Physiology, Series A, 186, 673, 10.1007/s003590000120 Klump, 1996, Bird communication in the noisy world, 321 Konishi, 1965, The role of auditory feedback in the control of vocalization in the white-crowned sparrow, Zeitschrift für Tierpsychologie, 22, 770, 10.1111/j.1439-0310.1965.tb01688.x Lane, 1971, The Lombard sign and the role of hearing in speech, Journal of Speech and Hearing Research, 14, 677, 10.1044/jshr.1404.677 Lee, 1950, Effects of delayed speech feedback, Journal of the Acoustical Society of America, 22, 639, 10.1121/1.1906665 Lengagne, 1999, How do king penguins (Aptenodytes patagonicus) apply the mathematical theory of information to communicate in windy conditions?, Proceedings of the Royal Society of London, Series B, 266, 1623, 10.1098/rspb.1999.0824 Leonardo, 1999, Decrystallization of adult birdsong by perturbation of auditory feedback, Nature, 399, 466, 10.1038/20933 Lombard, 1911, Le signe de l'élévation de la voix, Annales des Maladies de l'Oreille et du Larynx, 37, 101 Lopez, 1988, Acoustically induced call modification in the white-lipped frog, Leptodactylus albilabris, Animal Behaviour, 36, 1295, 10.1016/S0003-3472(88)80198-2 Manabe, 1998, Control of vocal intensity in budgerigars (Melopsittacus undulatus): differential reinforcement of vocal intensity and the Lombard effect, Journal of the Acoustical Society of America, 103, 1190, 10.1121/1.421227 Marler, 1955, Characteristics of some animal calls, Nature, 176, 6, 10.1038/176006a0 Marler, 1967, Comparative study of song development in sparrows, 231 Marten, 1977, Sound transmission and its significance for animal communication, Behavioral Ecology and Sociobiology, 2, 271, 10.1007/BF00299740 Mundry, 1998, Use of statistical programs for nonparametric tests of small samples often leads to incorrect P values: examples from Animal Behaviour, Animal Behaviour, 56, 256, 10.1006/anbe.1998.0756 Nordeen, 1992, Auditory feedback is necessary for the maintenance of stereotyped song in adult zebra finches, Behavioural and Neural Biology, 57, 58, 10.1016/0163-1047(92)90757-U Oberweger, 2001, The metabolic costs of birdsong pruduction, Journal of Experimental Biology, 204, 3379, 10.1242/jeb.204.19.3379 Okanoya, 1987, Hearing in passerine and psittacine birds: a comparative study of absolute and masked auditory thresholds, Journal of Comparative Psychology, 101, 7, 10.1037/0735-7036.101.1.7 Pick, 1989, Inhibiting the Lombard effect, Journal of the Acoustical Society of America, 85, 894, 10.1121/1.397561 Potash, 1972, Noice-induced changes in calls of the Japanese quail, Psychonomic Science, 26, 252, 10.3758/BF03328608 Siegel, 1976, Auditory feedback in the regulation of vocal intensity of preschool children, Developmental Psychology, 12, 255, 10.1037/0012-1649.12.3.255 Siegel, 1988 Sinnot, 1975, Regulation of voice amplitude by the monkey, Journal of the Acoustical Society of America, 58, 412, 10.1121/1.380685 Thomas, R. J. 2002 Todt, D. Hultsch, H. 1996, Acquisition and performance of song repertoires: ways of coping with diversity and versality, Ecology and Evolution of Acoustic Communication in Birds, D. E. KroodsmaE. H. Miller, 79, 96, Ithaca, Cornell University Press Todt, 1998, Hierarchical learning, development and representation of song, 275 Tonkinson, 1994, The Lombard effect in choral singing, Journal of Voice, 8, 24, 10.1016/S0892-1997(05)80316-9 Weiss, 1993, The vanished Lombard effect, Journal of the Acoustical Society of America, 93, 2393, 10.1121/1.406019 Wiley, 1978, Physical constraints on acoustic communication in the atmosphere: implications for the evolution of animal vocalizations, Behavioral Ecology and Sociobiology, 3, 69, 10.1007/BF00300047 Zann, 1994, Reproduction in a zebra finch colony in south-eastern Australia: the significance of monogamy, precocial breeding and multiple broods in a highly mobile species, Emu, 94, 285, 10.1071/MU9940285