Passerine Sensory Systems
A passerine is a bird that belongs to the order Passeriformes. This order has over 5,000 identified species, which makes up more than half of all bird species. The order is divided into three suborders: Tyranni (suboscines), Passeri (oscines), and the basal Acanthisitti.
Sensory systems are the peripheral neural structures where sensory transduction and transmission of sensory activity to the central nervous system take place.
Oscines (from Latin oscen, “songbird”) are the largest group of passerines, and they owe their name to their complex vocalizations, or songs, which they learn by imitating their conspecifics (in some cases heterospecifics, e.g., mocking birds Mimus polyglottos). Songbirds have received a great deal of attention from neuroethologists and neuroscientists because they are one of the few vertebrate models of vocal learning. However, most studies in avian sensory systems have focused in nonpasserine birds, like pigeons and chickens as general...
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