Tag: all of Loxia

Is the nominate subspecies of the Common Crossbill Loxia c. curvirostra polytypic? I. Morphological differences among years at a single site.

Red Crossbill (Loxia curvirostra) Science Article 1 abstract The discovery of discrete vocal types of Common Crossbill in Western Europe opens the possibility that the nominate subspecies Loxia c. curvirostra in fact consists of a group of cryptic, vocally differentiated and reproductively isolated sibling species, reflecting a similar situation in North America. We compared measures […]

Population fluctuations of Siskins Carduelis spinus,Common Crossbills Loxia curvirostra, and Citril FinchesCarduelis citrinella in relationship to flowering intensityof spruce Picea abies

Red Crossbill (Loxia curvirostra) Science Article 2 abstract Annual population abundances from 1992 to 2002 of Siskins Carduelis spinus, CommonCrossbills Loxia curvirostra and Citril Finches Carduelis citrinella were studied in relationto flowering intensity of spruce Picea abies.We used point countmethod to study thechanges in abundance of the three species in the Northern Black Forest (southwest […]

White-winged Crossbill (Loxia leucoptera)

[order] PASSERIFORMES | [family] Fringillidae | [latin] Loxia leucoptera | [UK] White-winged Crossbill | [FR] Bec-croise bifascie | [DE] Binden-Kreuzschnabel | [ES] Piquituerto Franjeado | [NL] Witbandkruisbek Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Physical charateristics White-winged Crossbills are finches with highly specialized, crossed bills and long, pointed wings. Male […]

Hispaniolan Crossbill (Loxia megaplaga)

[order] PASSERIFORMES | [family] Fringillidae | [latin] Loxia megaplaga | [UK] Hispaniolan Crossbill | [FR] Bec-croise d’Hispaniola | [DE] Hispaniolakreuzschnabel | [ES] Piquituerto de la Espanola | [NL] Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Pyrrhula megaplaga Loxia megaplaga NA Hispaniola Physical charateristics Medium-sized finch with distinctive crossed mandibles and […]

Parrot Crossbill (Loxia pytyopsittacus)

[order] PASSERIFORMES | [family] Fringillidae | [latin] Loxia pytyopsittacus | [UK] Parrot Crossbill | [FR] Bec-croise perroquet | [DE] Kiefern-Kreuzschnabel | [ES] Piquituerto Lorito | [NL] Grote Kruisbek Subspecies Monotypic species Physical charateristics Two-barred Crossbill resembles Common Crossbill by size, attitude and colour. However, it has finer bill, with more extended upwards lower mandible, and […]

Red Crossbill (Loxia curvirostra)

[order] PASSERIFORMES | [family] Fringillidae | [latin] Loxia curvirostra | [UK] Red Crossbill | [FR] Bec-croise des sapins | [DE] Fichten-Kreuzschnabel | [ES] Piquitureto Comun | [NL] Kruisbek Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Loxia curvirostra EU, OR, NA, MA widespread Loxia curvirostra altaiensis Loxia curvirostra balearica Loxia curvirostra […]

Scottish Crossbill (Loxia scotica)

[order] PASSERIFORMES | [family] Fringillidae | [latin] Loxia scotica | [UK] Scottish Crossbill | [FR] Bec-croise d’Ecosse | [DE] Schottischer Kreuzschnabel | [ES] Piquituerto escosses | [NL] Schotse Kruisbek Subspecies Monotypic species Physical charateristics The Scottish crossbill is a sparrow-sized member of the finch family, measuring about 16 centimetres in length, and is closely related […]