Seasonal and Diurnal Variation of Singing Activity: Their Possible Relationship with Intra- and Inter-Sexual Function in the Savannah Sparrow, Passerculus sandwichensis.
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DOI: 10.2108/zs180139
Abstract: We studied seasonal and diurnal variation of singing activity in a single-song repertoire species, the savannah sparrow (Passerculus sandwichensis), to explore the possible functions of the song. We observed a total of 47 territorial males… read more here.
Keywords: variation singing; singing activity; seasonal diurnal; activity ... See more keywords