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El hornero
Print version ISSN 0073-3407
Abstract
LOPEZ-LANUS, Bernabé; ORNSTEIN, Ulises; OLARTE, Luis Germán and RAGGIO, Juan. Aportes para un análisis comparativo de las voces del Burrito Negruzco (Porzana spiloptera) y el Burrito Cuyano (Laterallus jamaicensis). Hornero [online]. 2012, vol.27, n.2, pp.183-188. ISSN 0073-3407.
Contributions for a comparative analysis of the Dot-winged Crake (Porzana spiloptera) and the Black Rail (Laterallus jamaicensis) songs. We examined the similarity inthe vocalizations of Porzana spiloptera and Laterallus jamaicensis. Both species have a similar vocalrepertoire and their songs are very similar in the structure of the notes. Vocalizations of bothspecies could be confused in the field due to their timbre and structure, but their songs aredistinctive by the number of high pitched notes that precede the final low note. The song ofPorzana spiloptera is more similar to the song of the North American and Caribbean subspecies ofLaterallus jamaicensis than to the song of the South American subspecies. We compared the songsof both species with the song of an individual found in western Río Negro Province previouslyconsidered to be Laterallus jamaicensis. The song is indistinguishable from that of Porzana spilopteraand different from that of Laterallus jamaicensis salinasi, thus we concluded that it belongs toPorzana spiloptera.
Keywords : Call; Laterallus jamaicensis; Porzana spiloptera; Song.