Cognitive Ecology II
50 • b e e c h e r a n d b u rt sing songs distinctive of their neighborhood of 6–12 birds. In this population, birds disperse f ...
Song Communication and Song Learning in the Song Sparrow • 51 original territory. The birds live in small neighborhoods in terri ...
F I g u r e 4 .1. Partial song type repertoires of two song sparrow subjects. Birds A and B were neighbors and shared the first ...
Song Communication and Song Learning in the Song Sparrow • 53 4.3. Song learning in the field After a preliminary study with bir ...
54 • b e e c h e r a n d b u rt 4.3.1. cop y song t y pes fa i t h f u l ly Young song sparrows generally develop near-perfect c ...
Song Communication and Song Learning in the Song Sparrow • 55 4.3.4. pr e f e r e n t i a l ly r eta i n song t y pes of t u t o ...
56 • b e e c h e r a n d b u rt 4.3.6. pr ese rv e t y pe a n d t u t or i n you r songs As we noted in CE I, the young bird wil ...
Song Communication and Song Learning in the Song Sparrow • 57 song sparrow constructs his song repertoire in part on the basis o ...
58 • b e e c h e r a n d b u rt For a territorial species such as the song sparrow, the benefit of inter- action by singing (cou ...
Song Communication and Song Learning in the Song Sparrow • 59 new neighbors will have only recently established their territoria ...
60 • b e e c h e r a n d b u rt had some experience with his neighbor: the bird needs to know which songs they share and which t ...
Song Communication and Song Learning in the Song Sparrow • 61 up to but not beyond 8–9 song types, which are the most common rep ...
62 • b e e c h e r a n d b u rt the African village indigobird, Vidua chalybeata: younger birds copy the song of the dominant bi ...
Song Communication and Song Learning in the Song Sparrow • 63 while the other became the subject’s overheard tutor, that is, was ...
64 • b e e c h e r a n d b u rt more live birds singing. The virtual-tutor method permits us to maintain the experimental rigor ...
Song Communication and Song Learning in the Song Sparrow • 65 they were now “virtual tutors”), one tutor from each of the two or ...
66 • b e e c h e r a n d b u rt these shared songs will permit him to communicate with them according to the rules summarized in ...
Song Communication and Song Learning in the Song Sparrow • 67 Lemon 1983; Hughes et al. 1998; but see Foote and Barber 2007). Hu ...
68 • b e e c h e r a n d b u rt shares with his neighbors is favored by selection, then what is the best song- learning strategy ...
Song Communication and Song Learning in the Song Sparrow • 69 is a common pattern of song learning (D. Nelson and Marler 1994). ...
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