C. K. Catchpole;P. J. B. Slater's Bird Song: Biological Themes and Variations PDF

By C. K. Catchpole;P. J. B. Slater

ISBN-10: 0511409753

ISBN-13: 9780511409752

ISBN-10: 0521872421

ISBN-13: 9780521872423

Fowl tune is without doubt one of the so much outstanding and bold sounds within the wildlife, and has encouraged not just scholars of ordinary heritage, but additionally nice writers, poets and composers. generally up to date from the 1st version, the most thrust of the e-book is to signify that the 2 major features of music are attracting a mate and protecting territory. It exhibits how this evolutionary strain has ended in the superb style and complexity we see within the songs of other species through the global. Writing essentially for college students and researchers in animal habit, the authors assessment over one thousand clinical papers and show how scientists are starting to resolve and know how and why birds speak with the frilly vocalizations we name music. hugely illustrated all through and written in uncomplicated language, fowl track additionally holds attraction for newbie ornithologists with a few wisdom of biology.

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Extra info for Bird Song: Biological Themes and Variations

Example text

The latter type act as feature detectors which may be able to recognise specific sounds contained within complex songs. Hausberger (1993) completed a more detailed series of experiments on European starlings using simple whistles. No neurons in area L responded to the whole whistle, but many responded selectively to a part of a whistle. Neighbouring neurons responded in similar and often complementary ways. It seems that in auditory field L, there are groups of neurons which work together to encode particular sounds.

This occurred particularly between 25 and 60 days, the sensitive period when young zebra finches are known to learn their songs. A similar pattern has now been reported for adult canaries. Alvarez-Buylla et al. (1990) followed the projections of new neurons in the HVC by backfilling them with fluorogold, and traced their axons some 3 mm to RA. Unlike zebra finches, canaries continue to learn new song syllables from year to year, and this takes place in autumn. At this time of the year the rate of neurogenesis in HVC was found to be six times higher than at other times.

The latter type act as feature detectors which may be able to recognise specific sounds contained within complex songs. Hausberger (1993) completed a more detailed series of experiments on European starlings using simple whistles. No neurons in area L responded to the whole whistle, but many responded selectively to a part of a whistle. Neighbouring neurons responded in similar and often complementary ways. It seems that in auditory field L, there are groups of neurons which work together to encode particular sounds.

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Bird Song: Biological Themes and Variations by C. K. Catchpole;P. J. B. Slater


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