![]() Studies of zebra finch natural history in Australia have been essential to establish and confirm the rationale for studying this species as a model for acoustic communication ( Zann, 1990 Elie et al., 2010), social behavior ( McCowan et al., 2015 Brandl et al., 2019a Brandl et al., 2019b), reproductive physiology ( Perfito et al., 2007), life-long pair bonding ( Mariette and Griffith, 2012), and adaptations to heat ( Cade et al., 1965 Cooper et al., 2020a Cooper et al., 2020b). Ahmadiantehrani and London, 2017) and adult poultry (reviewed in Woodcock et al., 2017), means that this bird may also be used as both a basic and an applied (i.e., biomedical) model for development and for human health and disease (e.g. The proven feasibility of genome editing in both developing zebra finches (e.g. Soon after the appearance of transgenic lines of domestic fowl and the Japanese quail Cortunix japonica (reviewed by Sato and Lansford, 2013), the first generations of transgenic zebra finches become available (e.g. The zebra finch was the second avian species to have its genome sequenced ( Warren et al., 2010), after the domestic fowl ( Gallus gallus International Chicken Genome Sequencing Consortium, 2004). ![]() ( B) Brain nuclei of male zebra finches for auditory learning (CN: cochlear nucleus MLd: mesencephalicus lateralis pars dorsalis OV: nucleus ovoidalis field L: primary auditory forebrain input area NCM: caudomedial nidopallium CMM: caudomedial mesopallium VTA: ventral tegmental area and AIV: ventral portion of the intermediate arcopallium), vocal learning (HVC, Area X: basal ganglia LMAN: lateral magnocellular nucleus of the anterior nidopallium DLM: nucleus dorsolateralis anterior thalami, pars medialis), and vocal production (HVC, and RA: robust nucleus of the arcopallium). ( A) Timeline of sensory (auditory learning) and sensory-motor (vocal self-assessment and song-production) critical periods in zebra finch song development. This allowed for the characterization and testing of the functions of male song and its female perception in the context of acoustic sexual dimorphism at the behavioral, endocrine, and neurophysiological levels (reviewed in Riebel, 2009 Hauber et al., 2010). Eales, 1987 Brainard and Doupe, 2002 Figure 2A), and then eventually on how females learn from their (foster) fathers to prefer particular male vocal displays ( Braaten and Reynolds, 1999 Riebel, 2000). ![]() Fehér et al., 2009 Diez and MacDougall-Shackleton, 2020), the neuroethology of imitative vocal learning ( Terpstra et al., 2004 Vallentin et al., 2016 Yanagihara and Yazaki-Sugiyama, 2019), the neural mechanisms of sensorimotor learning ( Mandelblat-Cerf et al., 2014 Okubo et al., 2015 Mackevicius et al., 2020 Sakata and Yazaki-Sugiyama, 2020), and the role of early acoustic experience on the song-based preferences of female mate choice ( Riebel and Smallegange, 2003 Chen et al., 2017 Woolley, 2012 see the following video for a mating display in zebra finches: ).ĭue to the pronounced sexual differences in singing and plumage coloration found in the zebra finch ( Figure 1), earlier research quickly focused on when and how males learn to copy and produce a tutor(-like) song (e.g. Later, the zebra finch was used in studies of the de novo evolution of vocal culture (e.g. It became popular as a pet bird in the 19 th century because it bred well in captivity, and was adopted for scientific study in the third quarter of the 20 th century, initially for research into sexual behaviors ( Morris, 1954 Immelmann, 1972). The zebra finch Taeniopygia guttata is the most intensively studied species of bird that is maintained in captivity in large numbers despite not being a species bred for its meat or eggs, like the chicken or the quail (reviewed in Zann, 1996).
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