more effective signals than are less typical versions Typical versions of learned swamp sparrow song types are
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Supplementary data tml http://rspb.royalsocietypublishing.org/content/suppl/2014/05/05/rspb.2014.0252.DC1.h "Data Supplement" References http://rspb.royalsocietypublishing.org/content/281/1785/20140252.full.html#ref-list-1 This article cites 40 articles, 7 of which can be accessed free Subject collections (262 articles) cognition (1231 articles) behaviour Articles on similar topics can be found in the following collections
منابع مشابه
Typical versions of learned swamp sparrow song types are more effective signals than are less typical versions.
The learned songs of songbirds often cluster into population-wide types. Here, we test the hypothesis that male and female receivers respond differently to songs depending on how typical of those types they are. We used computational methods to cluster a large sample of swamp sparrow (Melospiza georgiana) songs into types and to estimate the degree to which individual song exemplars are typical...
متن کاملSong structure without auditory feedback: emendations of the auditory template hypothesis.
Motor patterns of songs of swamp and song sparrows, Melospiza georgiana and M. melodia, deafened early in life display a significant degree of species-specific structure. Normal songs of the two species differ in the degree to which they are segmented. Swamp sparrow song consists of a single segment, and song sparrow songs are multisegmental. Song and swamp sparrows were deafened at 17 to 23 da...
متن کاملMacrogeographic Vocal Variation in Subspecies of Swamp Sparrow
Variation in song can play a central role in species and subspecies recognition among birds. The ability of individuals to distinguish between songs of their own versus songs of a different subspecies potentially strengthens local adaptation of subspecific populations. We investigated the degree of vocal divergence and discrimination between two subspecies of Swamp Sparrow (Melospiza georgiana)...
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In data grid, using reservation is accepted to provide scheduling and service quality. Users need to have an access to the stored data in geographical environment, which can be solved by using replication, and an action taken to reach certainty. As a result, users are directed toward the nearest version to access information. The most important point is to know in which sites and distributed sy...
متن کاملA comparison of auditory evoked potentials in two species of sparrow
Auditory evoked potentials were recorded from the surface of the brain in young swamp and song sparrows. Responses to pure tones indicate that both species have similar auditory sensitivity during the sensitive period for song learning. Responses to the song syllables extracted from the normal adult song of both species show evidence of hemispheric differences for swamp sparrows listening to co...
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تاریخ انتشار 2014