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Auditory capabilities of birds in relation to the structural diversity of the basilar papilla

Gleich, Otto ; Langemann, Ulrike



Abstract

The basilar papilla length increases systematically with body mass for 41 species from more than 10 avian orders and this relation does not differ between phylogenetic groups. Audiograms of 25 non-strigiform and 12 owl species, normalized relative to best frequency and best threshold, were used to compare audiogram shapes. The analysis revealed that the high frequency flank of the audiogram was ...

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