Sensitive phases for song learning: Effects of social interaction and individual variation

摘要: Abstract Male marsh wrens (Cistothorus palustris) do not ordinarily learn songs from tutor tapes during their first spring, but in two experiments all five males given an opportunity to a live the timing and significance of events nature. There was marked individual variation responses subjects seemingly identical laboratory conditions; such differences among individuals are unexplainable intriguing warrant further study as more than mere ‘experimental noise’.