M. Aly and M. Moscovitch, The effects of sleep on episodic memory in older and younger adults, Memory, vol.28, issue.3, pp.327-334, 2010.
DOI : 10.1037/h0030914

E. A. Armstrong, A Study of Bird Song, 1960.

C. Cipolli, I. Fagioli, M. Mazzetti, and G. Tuozzi, Incorporation of presleep stimuli into dream contents: evidence for a consolidation effect on declarative knowledge during REM sleep?, Journal of Sleep Research, vol.15, issue.4, pp.317-326, 2004.
DOI : 10.1126/science.1063530

R. C. Connor and R. A. Smolker, 'Pop' Goes the Dolphin: a Vocalization Male Bottlenose Dolphins Produce During Consortships, Behaviour, vol.133, issue.9, pp.643-662, 1996.
DOI : 10.1163/156853996X00404

A. J. Cruickshank, J. Gautier, and C. Chappuis, Vocal mimicry in wild African Grey Parrots Psittacus erithacus, Ibis, vol.39, issue.3, pp.293-299, 1993.
DOI : 10.1111/j.1474-919X.1993.tb02846.x

A. S. Dave and D. Margoliash, Song Replay During Sleep and Computational Rules for Sensorimotor Vocal Learning, Science, vol.290, issue.5492, pp.812-816, 2000.
DOI : 10.1126/science.290.5492.812

W. Ding, B. Würsig, and W. Evans, Comparison of whistles among seven odontocete species, Sensory Systems of Aquatic Mammals, pp.299-323, 1995.

M. Santos, A. J. Ferreira, and S. Harzen, Rhythmic sound sequences by aroused bottlenose dolphins in the Sado estuary, Portugal, Sensory Systems of Aquatic Mammals, pp.325-334, 1995.

A. D. Foote, R. M. Griffin, D. Howitt, L. Larsson, P. J. Miller et al., Killer whales are capable of vocal learning, Biology Letters, vol.63, issue.3, pp.509-512, 2006.
DOI : 10.1002/mrdd.10073

C. B. Frith and D. W. Frith, Bowerbirds, 2004.
DOI : 10.1016/B978-0-12-809633-8.01197-3

M. Hausberger, P. F. Jenkins, K. , and J. , Species-Specificity and Mimicry in Bird Song: Are They Paradoxes? a Reevaluation of Song Mimicry in the European Starling, Behaviour, vol.117, issue.1, pp.53-82, 1991.
DOI : 10.1163/156853991X00120

URL : https://hal.archives-ouvertes.fr/hal-01319170

S. Hooper, D. Reiss, M. Carter, and B. Mccowan, Importance of contextual saliency on vocal imitation by bottlenose dolphins, Int. J. Comp. Psychol, vol.19, pp.116-128, 2006.

L. Innes and S. Mcbride, Negative versus positive reinforcement: An evaluation of training strategies for rehabilitated horses, Applied Animal Behaviour Science, vol.112, issue.3-4, pp.357-368, 2008.
DOI : 10.1016/j.applanim.2007.08.011

V. M. Janik, Acoustic communication in delphinids, Advances in the Study of Behaviour, pp.123-157, 2009.

M. Jouvet, What does a cat dream about? Trends Neurosci, pp.280-282, 1979.
DOI : 10.1016/0166-2236(79)90110-3

L. A. Kelley and S. D. Healy, Vocal mimicry, Current Biology, vol.21, issue.1, pp.9-10, 2011.
DOI : 10.1016/j.cub.2010.11.026

URL : http://doi.org/10.1016/j.cub.2010.11.026

S. A. Kuczaj and R. Makecha, The Role of Play in the Evolution and Ontogeny of Contextually Flexible Communication, Evolution of Communicative Flexibility. Complexity , Creativity, and Adaptability in Human and Animal Communication, pp.253-277, 2008.
DOI : 10.7551/mitpress/9780262151214.003.0012

L. Lavadera and J. , Etude qualitative des vocalises émises en phase de sommeil paradoxal chez le cheval de Przewalski (Equus ferus przewalski ) Thesis, Ministère de l'Education Nationale, de la Recherche et la Technologie, Ecole pratique des Hautes Etudes, 2005.

O. I. Lyamin, P. R. Manger, S. H. Ridgway, L. M. Mukhametov, and J. M. Siegel, Cetacean sleep: An unusual form of mammalian sleep, Neuroscience & Biobehavioral Reviews, vol.32, issue.8, pp.1451-1484, 2008.
DOI : 10.1016/j.neubiorev.2008.05.023

L. J. May-collado, Changes in Whistle Structure of Two Dolphin Species During Interspecific Associations, Ethology, vol.55, issue.11, pp.1065-1074, 2010.
DOI : 10.1111/j.1439-0310.2010.01828.x

L. M. Mukhametov, Paradoxical sleep peculiarities in aquatic mammals, Sleep Res, 1995.

I. M. Pepperberg, Social influences on the acquisition of humanbased codes in parrots and nonhuman primates, Social Influences on Vocal Development, pp.157-177, 1997.

I. M. Pepperberg, The Alex Studies: Cognitive and Communicative Abilities of Grey Parrots, 2002.

J. H. Poole, P. L. Tyack, A. S. Stoeger-horwath, and S. Watwood, Animal behaviour: Elephants are capable of vocal learning, Nature, vol.125, issue.7032, pp.455-456, 2005.
DOI : 10.1007/BF00294975

D. Reiss and B. Mccowan, Spontaneous vocal mimicry and production by bottlenose dolphins (Tursiops truncatus): Evidence for vocal learning., Journal of Comparative Psychology, vol.107, issue.3, pp.301-312, 1993.
DOI : 10.1037/0735-7036.107.3.301

A. Revonsuo, The reinterpretation of dreams: an evolutionary hypothesis of the function of dreaming, Behav. Brain Sci, vol.23, pp.793-1121, 2000.

D. G. Richards, J. P. Wolz, and L. M. Herman, Vocal mimicry of computer-generated sounds and vocal labeling of objects by a bottlenosed dolphin, Tursiops truncatus., Journal of Comparative Psychology, vol.98, issue.1, pp.10-28, 1984.
DOI : 10.1037/0735-7036.98.1.10

Y. Ruckebusch, P. Barbey, and P. Guillemot, Les états de sommeil chez le cheval (Equus caballus), C. R. Seances Soc. Biol, vol.164, pp.658-665, 1970.

C. Sankey, M. Richard-yris, H. Leroy, S. Henry, and M. Hausberger, Positive interactions lead to lasting positive memories in horses, Equus caballus, Animal Behaviour, vol.79, issue.4, pp.869-875, 2010.
DOI : 10.1016/j.anbehav.2009.12.037

URL : https://hal.archives-ouvertes.fr/hal-01022338

Y. Sekiguchi and S. Kohshima, Resting behaviors of captive bottlenose dolphins (Tursiops truncatus), Physiology & Behavior, vol.79, issue.4-5, pp.643-653, 2003.
DOI : 10.1016/S0031-9384(03)00119-7

O. V. Shpak, O. I. Lyamin, P. R. Manger, J. M. Siegel, and L. M. Mukhametov, States of rest and activity in the Commerson's dolphin Cephalorhynchus commersonii, Journal of Evolutionary Biochemistry and Physiology, vol.45, issue.1, pp.111-119, 2009.
DOI : 10.1134/S0022093009010116

R. Stickgold, J. R. Hobson, and M. Fosse, Sleep, Learning, and Dreams: Off-line Memory Reprocessing, Science, vol.294, issue.5544, pp.1052-1057, 2001.
DOI : 10.1126/science.1063530

W. H. Thorpe, Bird-Song: The Biology of Vocal Communication and Expression in Birds, 1961.

P. L. Tyack and L. S. Sayigh, Vocal learning in cetaceans, Social Influences on Vocal Development, pp.208-233, 1997.
DOI : 10.1017/CBO9780511758843.011

S. E. Van-der-woude, ) moan as low in frequency as baleen whales, The Journal of the Acoustical Society of America, vol.126, issue.3, pp.1552-1562, 2009.
DOI : 10.1121/1.3177272

M. Vandekerckhove, C. , and R. , The emotional brain and sleep: An intimate relationship, Sleep Medicine Reviews, vol.14, issue.4, pp.219-226, 2010.
DOI : 10.1016/j.smrv.2010.01.002

S. A. Wich, K. B. Swartz, M. E. Hardus, A. R. Lameira, E. Stromberg et al., A case of spontaneous acquisition of a human sound by an orangutan, Primates, vol.3, issue.1, pp.56-64, 2009.
DOI : 10.1007/s10329-008-0117-y