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Keywords: zebra finch
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Journal Articles
J Exp Biol (2020) 223 (Suppl_1): jeb206516.
Published: 01 February 2020
... to enhance the existing strengths of the songbird system to advance and expand fundamental knowledge of how genetic sequences and regulation of genomic function support complex natural learned behaviors. In zebra finches ( Taeniopygia guttata ) in particular, a rich set of questions about the complex process...
Journal Articles
J Exp Biol (2020) 223 (3): jeb217422.
Published: 31 January 2020
... of genes coding for enzymes involved in DNA methylation–demethylation ( dnmt , tet ) and histone modification ( hat1 , hdac ) in the hypothalamus, liver and gonads of male and female zebra finches that were paired for a year under 12 h light:12 h dark conditions with food availability restricted to 4 h...
Journal Articles
J Exp Biol (2019) 222 (19): jeb210443.
Published: 01 October 2019
... well documented in mammals, how energy-intensive training affects the antioxidant system and damage by reactive species has not been investigated fully in flight-trained birds. We examined changes to redox homeostasis in zebra finches exposed to energy-intensive activity (60 min of perch-to-perch...
Journal Articles
J Exp Biol (2019) 222 (16): jeb206318.
Published: 16 August 2019
... to each other. By comparing behavioural variation in response to live or video presentations of conspecific females, we analysed how variation in the motivation to produce courtship song covaries with variation in performance aspects of courtship song in male zebra finches ( Taeniopygia guttata...
Includes: Supplementary data
Journal Articles
In collection:
Neuroethology
J Exp Biol (2019) 222 (7): jeb199042.
Published: 09 April 2019
...Divya Rao; Satoshi Kojima; Raghav Rajan ABSTRACT The song of the adult male zebra finch is a well-studied example of a learned motor sequence. Song bouts begin with a variable number of introductory notes (INs) before actual song production. Previous studies have shown that INs progress from...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (6): 783–789.
Published: 15 March 2016
... sought to test whether social cues that are known to stimulate reproductive behaviors can activate the DIO system to initiate reproduction in a non-photoperiodic bird, the zebra finch ( Taeniopygia guttata ). Isolation of males and subsequent presentation of females did not increase DIO2 or GnRH...
Journal Articles
J Exp Biol (2015) 218 (18): 2961–2969.
Published: 01 September 2015
... aspects of fever and other sickness behaviours (circadian variation, dose dependence) in a small songbird, the zebra finch. We injected lipopolysaccharide (LPS) at the beginning of either the day or the night, and subsequently monitored body temperature, body mass change and food intake for the duration...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (14): 2260–2268.
Published: 01 July 2015
... development in a songbird, the zebra finch. Songbirds learn a complex song pattern by trial-and-error vocalizations as self-motivated practice, which is executed over a thousand times per day during the sensitive period of vocal learning. Notably, juveniles generate songs with a high frequency of singing...
Journal Articles
J Exp Biol (2014) 217 (15): 2659–2666.
Published: 01 August 2014
...: zebra finch ( Taeniopygia guttata, N =4) and diamond dove ( Geopelia cuneata, N =3). We measured kinematics using high-speed video, aerodynamics using particle image velocimetry, and ground-reaction forces using a perch mounted on a force plate. In contrast with the first three wingbeats of take-off...
Journal Articles
J Exp Biol (2013) 216 (19): 3682–3692.
Published: 01 October 2013
... circuitry, as well as neurogenetic mechanisms. Notably, the transcription factors Forkhead box proteins 1 and 2 (FoxP1, FoxP2) exhibit similar expression patterns in the cortex and basal ganglia of humans and the zebra finch species of songbird, among other brain regions. Mutations in either gene...
Journal Articles
J Exp Biol (2012) 215 (23): 4115–4124.
Published: 01 December 2012
... of the wings during the transition to air is unknown. To investigate this transition, we integrated measurements of both leg and wing forces during take-off and the first three wingbeats in zebra finch ( Taeniopygia guttata , body mass 15 g, N =7) and diamond dove ( Geopelia cuneata , body mass 50 g, N =3). We...
Includes: Supplementary data
Journal Articles
J Exp Biol (2011) 214 (16): 2768–2777.
Published: 15 August 2011
... with extended molts, red crossbills ( Loxia curvirostra ) and zebra finches ( Taeniopygia guttata ). We found that both species maintain hormonal stress responsiveness during molt. Further, a comparative analysis of all available species revealed a strong relationship between molt duration and degree...
Includes: Supplementary data
Journal Articles
J Exp Biol (2010) 213 (24): 4193–4204.
Published: 15 December 2010
.... * Author for correspondence ( goller@biology.utah.edu ) 10 9 2010 © 2010. 2010 birdsong vagus nerve somatosensory sensorimotor integration zebra finch A common feature of motor systems is their use of feedback mechanisms for the maintenance of appropriate output (e.g...
Journal Articles
J Exp Biol (2010) 213 (5): 798–807.
Published: 01 March 2010
.... In the present study we examined digestive flexibility of nestling and adult zebra finches, typical diet specialists that consume only seeds after hatching. Both adult and nestling zebra finches could not thrive on a protein-rich and carbohydrate-free diet that supported normal development of young house...
Journal Articles
J Exp Biol (2009) 212 (9): 1277–1283.
Published: 01 May 2009
.... However, the extent to which variation in VTG/VLDL-R expression plays a role in determining inter-individual variation in reproductive phenotype(e.g. follicle or egg size) is not known. Here we show that the mRNA sequence of the zebra finch ( Taeniopygia guttata ) VTG/VLDL-R shows a high degree...
Journal Articles
J Exp Biol (2008) 211 (18): 2960–2968.
Published: 15 September 2008
... reproductive anemia associated with egg production(hemodilution, transient suppression of erythropoiesis, resource dependence)in relation to (1) the time-course of development and recovery from anemia,(2) changes in specific hematological traits, and (3) the effect of diet quality, in female zebra finches...
Journal Articles
J Exp Biol (2008) 211 (3): 400–408.
Published: 01 February 2008
... during egg-laying is dependent on receptor-mediated actions of endogenous estrogens:blocking estrogen receptors using the anti-estrogen tamoxifen reduces the decrease in hematocrit during egg production in female zebra finches( Taeniopygia guttata ) such that hematocrit at the 1-egg stage...
Journal Articles
J Exp Biol (2007) 210 (24): 4368–4378.
Published: 15 December 2007
...-related hormone corticosterone (CORT) may play a role in immunocompetence and sexual selection. We tested whether CORT is immunosuppressive by studying humoral and cell-mediated immune responses in populations of captive zebra finches selected for divergent peak levels of CORT. We also investigated...
Journal Articles
J Exp Biol (2007) 210 (6): 1064–1074.
Published: 15 March 2007
... guttata , the zebra finch, to characterize the dynamics of VLDL particle diameter distribution in relation to egg production. We predicted that non-gallinaceous avian species that have not been selected for maximum egg production would exhibit less dramatic shifts in lipid metabolism during egg production...
Journal Articles
J Exp Biol (2006) 209 (22): 4414–4419.
Published: 15 November 2006
... that might protect carotenoids from free radical attacks and make them available for sexual advertisements. We tested this hypothesis in the zebra finch, a passerine species with a carotenoid-based signal: the colour of the bill. We simultaneously manipulated the availability of carotenoids and of a non...