Manatee calf call contour and acoustic structure varies by species and body size
Podos, J. Correlated evolution of morphology and vocal signal structure in Darwin’s finches. Nature 409, 185–188 (2001).ADS
CAS
PubMed
Google Scholar
Bradbury, J. W. & Vehrencamp, S. Principles of Animal Communication (Sinauer Associated, 1998).
Google Scholar
Podos, J. & Warren, P. S. The evolution of geographic variation in birdsong. Adv. Study Behav. 37, 403–458 (2007).
Google Scholar
Charlton, B. D., Owen, M. A. & Swaisgood, R. R. Coevolution of vocal signal characteristics and hearing sensitivity in forest mammals. Nat. Commun. 10, 1–7 (2019).CAS
Google Scholar
Soltis, J. Vocal communication in African elephants (Loxodonta africana). Zoo Biol. 29, 192–209 (2010).PubMed
Google Scholar
King, S. L. & Janik, V. M. Bottlenose dolphins can use learned vocal labels to address each other. Proc. Natl. Acad. Sci. 110, 13216–13221 (2013).ADS
CAS
PubMed
PubMed Central
Google Scholar
Ravignani, A. et al. Ontogeny of vocal rhythms in harbor seal pups: An exploratory study. Curr. Zool. 65, 107–120 (2019).PubMed
Google Scholar
Rauber, R. & Manser, M. B. Effect of group size and experience on the ontogeny of sentinel calling behaviour in meerkats. Anim. Behav. 171, 129–138 (2021).
Google Scholar
Janik, V. M. & Slater, P. J. Vocal learning in mammals. Adv. Study Behav. 26, 59–100 (1997).
Google Scholar
Fitch, W. T. Production of vocalizations in mammals. In Encyclopedia of Language and Linguistics 2nd edn, Vol. 1 115–121 (Elsevier, 2006).
Google Scholar
Fletcher, N. H. A frequency scaling rule in mammalian vocalization. In Handbook of Behavioral Neuroscience Vol. 19 51–56 (Elsevier, 2010).
Google Scholar
Fant, G. Acoustic Theory of Speech Production (Mouton, 1960).
Google Scholar
Taylor, A. & Reby, D. The contribution of source–filter theory to mammal vocal communication research. J. Zool. 280, 221–236 (2010).
Google Scholar
Fitch, W. T., Neubauer, J. & Herzel, H. Calls out of chaos: The adaptive significance of nonlinear phenomena in mammalian vocal production. Anim. Behav. 63, 407–418 (2002).
Google Scholar
Domning, D. P. & Hayek, L. A. C. Interspecific and intraspecific morphological variation in manatees (Sirenia: Trichechus). Mar. Mamm. Sci. 2, 87–144 (1986).
Google Scholar
Anderson, P. K. & Barclay, R. M. R. Acoustic signals of solitary Dugongs: Physical characteristics and behavioral correlates. J. Mamm. 76, 1226–1237 (1995).
Google Scholar
Sousa-Lima, R., Paglia, A. P. & Da Fonseca, G. Signature information and individual recognition in the isolation calls of Amazonian manatees, Trichechus inunguis (Mammalia: Sirenia). Anim. Behav. 63, 301–310 (2002).
Google Scholar
Sousa-Lima, R. S., Paglia, A. P. & Fonseca, G. A. B. Gender, age, and identity in the isolation calls of Antillean manatees (Trichechus manatus manatus). Aquat. Mamm. 34, 109–122 (2008).
Google Scholar
O’Shea, T. J. & Poché, L. B. Aspects of underwater sound communication in Florida manatees (Trichechus manatus latirostris). J. Mamm. 87, 1061–1071 (2006).
Google Scholar
Rosas, F. C. W. Biology, conservation and status of the Amazonian manatee Trichechus inunguis. Mamm. Rev. 24, 49–59 (1994).
Google Scholar
Meirelles, A. C. O. & Carvalho, V. L. Peixe-boi marinho: biologia e conservação no Brasil. Aquasis, Bambu Editora e Artes Gráficas, São Paulo (2016).Alvarez-Alemán, A., Beck, C. A. & Powell, J. A. First report of a Florida manatee (Trichechus manatus latirostris) in Cuba. Aquat. Mamm. 36, 148 (2010).
Google Scholar
Castelblanco-Martínez, D. N. et al. First documentation of long-distance travel by a Florida manatee to the Mexican Caribbean. Ethol. Ecol. Evol. 1–12 (2021).Packard, J. M. & Wetterqvist, O. F. Evaluation of manatee habitat systems on the northwestern Florida coast. Coast. Manag. 14, 279–310 (1986).
Google Scholar
Luna, F. D. O. et al. Genetic connectivity of the West Indian manatee in the southern range and limited evidence of hybridization with Amazonian manatees. Front. Mar. Sci. 7, 1089 (2021).
Google Scholar
Hartman, D. Ecology and behavior of the manatee (Trichechus manatus) in Florida. Spec. Publ. Am. Soc. Mammal. 5, 153 (1979).
Google Scholar
D’AffonsecaNeto, J. A. & Vergara-Parente, J. E. Sirenia (peixe-boi-da-Amazônia, Peixe-boi-marinho). In Tratado de Animais Selvagens: medicina veterinária (eds Cubas, Z. S. et al.) 701–714 (Roca, 2006).
Google Scholar
Deutsch, C. J., Reid, J. P., Bonde, R. K., Easton, D. E., Kochman, H. I. & O’Shea, T. J. Seasonal movements, migratory behavior, and site fidelity of West Indian manatees along the Atlantic coast of the United States. Wildl. Monogr. 1–77 (2003).Laist, D. W. & Reynolds, J. E. III. Influence of power plants and other warm-water refuges on Florida manatees. Mar. Mamm. Sci. 21, 739–764 (2005).
Google Scholar
Reynolds, J. E. Aspects of the social behaviour and herd structure of a semi-isolated colony of West Indian manatees, Trichechus manatus. Mammalia 45, 431–452 (1981).
Google Scholar
Dantas, G. A. Ontogenia do padrão vocal individual do peixe-boi da Amazônia Trichechus inunguis (Sirenia, trichechidae). Dissertação (Instituto Nacional de Pesquisas da Amazônia, 2009).
Google Scholar
Brady, B., Moore, J. & Love, K. Behavior related vocalizations of the Florida manatee (Trichechus manatus latirostris). Mar. Mamm. Sci. 1–15 (2021).Nowacek, D. P., Casper, B. M., Wells, R. S., Nowacek, S. M. & Mann, D. A. Intraspecific and geographic variation of West Indian manatee (Trichechus manatus spp.) vocalizations. J. Acoust. Soc. Am. 114, 66–69 (2003).ADS
PubMed
Google Scholar
Rycyk, A. M. et al. First characterization of vocalizations and passive acoustic monitoring of the vulnerable African manatee (Trichechus senegalensis). J. Acoust. Soc. Am. 150, 3028–3037 (2021).ADS
PubMed
Google Scholar
Landrau-Giovannetti, N., Mignucci-Giannoni, A. A. & Reidenberg, J. S. Acoustical and anatomical determination of sound production and transmission in West Indian (Trichechus manatus) and Amazonian (T. inunguis) manatees. Anat. Rec. 297, 1896–1907 (2014).
Google Scholar
Morton, E. On the occurrence and significance of motivation-structural rules in some bird and mammal sounds. Am. Nat. 111, 855–869 (1977).
Google Scholar
Borges, J. C. et al. Growth pattern differences of captive born Antillean manatee (Trichechus manatus) calves and those rescued in the Brazilian northeastern coast. J. Zoo Wildl. Med. 43, 494–500 (2012).PubMed
Google Scholar
Lima, D. S., Vergara-Parente, J. E., Young, R. J. & Paszkiewicz, E. Training of Antillean manatee Trichechus manatus manatus Linnaeus, 1758 as a management technique for individual welfare. Lat. Am. J. Mar. Mamm. 4, 61–68 (2005).
Google Scholar
K. Lisa Yang Center for Conservation Bioacoustics at the Cornell Lab of Ornithology. Raven Pro: Interactive Sound Analysis Software (Version 1.5) [Computer software]. https://ravensoundsoftware.com/ (The Cornell Lab of Ornithology, 2022).Zollinger, S. A., Podos, J., Nemeth, E., Goller, F. & Brumm, H. On the relationship between, and measurement of, amplitude and frequency in birdsong. Anim. Behav. 84, e1–e9 (2012).
Google Scholar
Sokal, R. R. & Rohlf, F. J. Biometry (W. H. Freeman and Co., 1995).MATH
Google Scholar
Charrier, I. & Harcourt, R. G. Individual vocal identity in mother and pup Australian sea lions (Neophoca cinerea). J. Mamm. 87, 929–938 (2006).
Google Scholar
Green, S. & Salkind, N. J. Using SPSS for Windows and Macintosh: Analyzing and Understanding Data 4th edn. (Prentice Hall, 2003).
Google Scholar
Charlton, B. D. et al. Cues to body size in the formant spacing of male koala (Phascolarctos cinereus) bellows: Honesty in an exaggerated trait. J. Exp. Biol. 214(20), 3414–3422 (2011).PubMed
Google Scholar
IBM Corp. Released 2020. IBM SPSS Statistics for Windows, Version 27.0.Best, R. C. The aquatic mammals and reptiles of the Amazon. In The Amazon 371–412 (Springer, 1984).
Google Scholar
Gerhardt, H. C. The evolution of vocalization in frogs and toads. Annu. Rev. Ecol. Syst. 25, 293–324 (1994).
Google Scholar
Mendoza, P. et al. Growth curve of Amazonian manatee (Trichechus inunguis) in captivity. Aquat. Mamm. 45 (2019).Schwarz, L. K. Methods and models to determine perinatal status of Florida manatee carcasses. Mar. Mamm. Sci. 24, 881–898 (2008).
Google Scholar
Hauser, M. D., Chomsky, N. & Fitch, W. T. The faculty of language: What is it, who has it, and how did it evolve?. Science 298, 1569–1579 (2002).ADS
CAS
PubMed
Google Scholar
Marler, P. & Peters, S. Developmental overproduction and selective attrition: New processes in the epigenesis of birdsong. Dev. Psychol. J. Int. Soc. Dev. Psychol. 15.4, 369–378 (1982).
Google Scholar
Casey, C., Reichmuth, C., Costa, D. P. & Le Boeuf, B. The rise and fall of dialects in northern elephant seals. Proc. R. Soc. B 285, 2018–2176 (2018).
Google Scholar
Hunter, M. E. et al. Puerto Rico and Florida manatees represent genetically distinct groups. Conserv. Genet. 13, 1623–1635 (2012).
Google Scholar
Castelblanco-Martínez, D. N. et al. Analysis of body condition indices reveals different ecotypes of the Antillean manatee. Sci. Rep. 11, 1–14 (2021).
Google Scholar
McCracken, K. G. & Sheldon, F. H. Avian vocalizations and phylogenetic signal. Proc. Natl. Acad. Sci. 94, 3833–3836 (1997).ADS
CAS
PubMed
PubMed Central
Google Scholar
Moron, J. R. et al. Whistle variability of Guiana dolphins in South America: Latitudinal variation or acoustic adaptation? Mar. Mamm. Sci. 1–32 (2018)Luís, A. R. et al. Vocal universals and geographic variations in the acoustic repertoire of the common bottlenose dolphin. Sci. Rep. 11, 1–9 (2021).
Google Scholar
Ey, E. & Fisher, J. The ‘Acoustic adaptations hypothesis’ a review of the evidence from birds, anurans and mammals. Bioacoustics 19, 21–48 (2009).
Google Scholar
Miksis-Olds, J. L. & Tyack, P. L. Manatee (Trichechus manatus) vocalization usage in relation to environmental noise levels. J. Acoust. Soc. Am. 125, 1806–1815 (2009).ADS
PubMed
Google Scholar
Sun, W., Wang, Z., Jamalabdollahi, M. & Reza Zekavat, S. A. Experimental study on the difference between acoustic communication channels in freshwater rivers/lakes and in oceans. In 2014 48th Asilomar Conference on Signals, Systems and Computers, 333–337 (2004)Rivera Chavarría, M., Castro, J. & Camacho, A. The relationship between acoustic habitat, hearing and tonal vocalizations in the Antillean manatee (Trichechus manatus manatus, Linnaeus, 1758). Biol. Open 4, 1237–1242 (2015).PubMed
PubMed Central
Google Scholar
Gaspard, J. C. III. et al. Audiogram and auditory critical ratios of two Florida manatees (Trichechus manatus latirostris). J. Exp. Biol. 215, 1442–1447 (2012).PubMed
Google Scholar
Gerstein, E. R., Gerstein, L., Forsythe, S. E. & Blue, J. E. The underwater audiogram of the West Indian manatee (Trichechus manatus). J. Acoust. Soc. Am. 105, 3575–3583 (1999).ADS
CAS
PubMed
Google Scholar
Klishin, V., Pezo, R., Popov, V., Ya, A. & Supin. Some characteristics of hearing of the Brazilian manatee, Trichechus inunguis. Aquat. Mamm. 16 (1990).Johnson, M., de Soto, N. A. & Madsen, P. T. Studying the behaviour and sensory ecology of marine mammals using acoustic recording tags: A review. Mar. Ecol. Prog. Ser. 395, 55–73 (2009).ADS
Google Scholar More