Ovenbird (Seiurus aurocapilla) Science Article 4
abstract
Although detailed investigations of single displays have furnished insights into their proximate causation and adaptive roles in regulating social behavior (Smith 1977, Sebeok 1977), they contribute relatively little to our understanding of the evolution of animal communication at a somewhat higher level.
M. Ross LEIN, W&m Bull., 92(3), 1980, pp. 312-329