Urosticte
Also known as white-tips
The whitetips are a small group of hummingbirds in the genus Urosticte, which are restricted to humid forests growing on Andean slopes in north-western South America. Their common name, whitetips, refers to the conspicuous white tips on the central rectrices of the males. As the central rectrices are shorter than the outer, it appears as a large white spot on the central uppertail. Females, which have green-spotted white underparts, lack the white tips to the central rectrices, but instead have broad tips to the outer rectrices (white "tail-corners").
Species
GENUS
- KingdomAnimalia
- PhylumChordata
- ClassAves
- OrderApodiformes
- FamilyTrochilidae
Urosticte es un género de colibrí en la familia Trochilidae, que se limita a los bosques húmedos que crecen en las laderas andinas en el noroeste de América del Sur. Índice 1 Descripción 2 Taxonomía 3 Especies 4 Referencias Descripción Su nombre común, punta blanca, se refiere a las puntas blancas visibles en las rectrices centrales de los varones. Como las rectrices centrales son más cortas que el exterior, aparece como una gran mancha blanca en la parte central superior de la cola. Las hembras tienen color verde con manchas blancas al inferior, carecen de puntas blancas en las rectrices centrales, pero tienen anchura para las rectrices externas (blanco en las esquinas de la cola). Taxonomía En este género, el taxón intermedio ha sido considerado una especie distinta o alternativamente, un intermedio entre la U. Benjamini y la U. ruficrissa, lo que conduce a ser consideradas conespecíficas. En la actualidad, la intermedia se considera una variante y sinonimia menor de ruficrissa, dando lugar a dos especies monotípicas a ser reconocidas: Especies Urosticte benjamini (colibrí puntablanca occidental). Urosticte ruficrissa (colibrí puntablanca oriental). Referencias Split Urosticte ru
via GBIF
Wikidata facts
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Article
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The whitetips are a small group of hummingbirds in the genus Urosticte, which are restricted to humid forests growing on Andean slopes in north-western South America. Their common name, whitetips, refers to the conspicuous white tips on the central rectrices of the males. As the central rectrices are shorter than the outer, it appears as a large white spot on the central uppertail. Females, which have green-spotted white underparts, lack the white tips to the central rectrices, but instead have broad tips to the outer rectrices (white "tail-corners").
In this genus, the taxon intermedia has been considered a distinct species, or alternatively an intermediate between U. benjamini and U. ruficrissa, leading to these being considered conspecific. At present, intermedia is considered a variant and junior synonym of ruficrissa, resulting in two monotypic species being recognized: