Chestnut-sided Warblers (Dendroica pensylvanica) and Blue-winged Warblers (Vermivora pinus) sing different song types in different contexts. Local dialects exist in the "Unaccented Ending" songs ...
A functional length variation in the transcriptional control region of the serotonin transporter gene (5-HTTLPR) influences brain function, personality traits, and ...
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