We studied the pattern of variation in song characters among 16 New World pigeon species belonging to different taxonomic groups defined by morphological characters. Structural, temporal and frequency characters of the ...

Studies of birdsong across very broad geographic scales, such as between the north temperate zone and the tropics, provide special opportunities to understand the role of variable ecologies, life-histories and mating ...

Background The connection between testosterone and territoriality in free-living songbirds has been well studied in a reproductive context, but less so outside the breeding season. To assess the effects of seasonal androgenic ...

Many species use low-amplitude (soft) song during close range interactions with conspecifics, such as in aggressive encounters or courtship displays. It has been suggested that soft song is adapted to limit eavesdropping ...

A cover song is a new performance or recording of a previously recorded music by an artist other than the original one. The automatic identification of cover songs is useful for a wide range of tasks, from fans looking for ...

The song learning process may lead to small-scale geographical variation in vocalizations of oscine birds. This variation can be further enhanced by the effects of habitat fragmentation or hybridization. Populations of the ...

En este trabajo se describe el canto de proclamación territorial del Hocó Oscuro(Tigrisoma fasciatum), que hasta la fecha era desconocido, y se lo compara con el del Hocó Colorado(Tigrisoma lineatum). Además, se describen ...

In this paper, we discuss important echoes of Galician-por lyric that remain in the 17th-century love lyric poetry produced in Portugal. In order to achieve this main objective, we highlight some specificities of the ...