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A periodic day–night environment is critical for daily behavioural patterns and advanced brain functions such as learning and cognition in animals. We investigated whether a no-night light environment would impair these functions in parent and F1 and F2 zebra finches, Taeniopygia guttata. Particularly, we examined song acquisition as a measure of learning, tested cognitive performance with reference...
The present study investigated whether pairing with a conspecific female would restore rhythmicity in the singing behaviour of arrhythmic male songbirds. We recorded the singing and, as the circadian response indicator, monitored the activity–rest pattern in male zebra finches (Taeniopygia guttata) housed without or with a conspecific female under 12 h light: 12 h darkness (12L:12D) or constant bright...
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