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Twobarred Crossbill by John Irvine BirdGuides
Two-barred Crossbill Loxia leucoptera (JF Gmelin, 1789) PD TWBCR 16650 Family: Passeriformes > Fringillidae Similar in appearance to Common Crossbill but with broad white wingbars and a distinctive call, this is a scarce, but irregular immigrant to Britain & Ireland from north-eastern Europe. The two-barred crossbill or white-winged crossbill ( Loxia leucoptera ) is a small passerine bird in the finch family Fringillidae. Animal name origin The scientific name is from Ancient Greek. Loxia is from loxos, "crosswise", and leucoptera means "white-winged" from leukos, "white" and pteron, "wing". Te Terrestrial No Not a migrant T starts with The two-barred crossbill or white-winged crossbill (Loxia leucoptera) is a small passerine bird in the finch family Fringillidae. This bird breeds in the coniferous forests of Alaska, Canada, the northernmost United States and across the Palearctic extending into northeast Europe. It nests in conifers, laying 3-5 eggs. Massive Southern Invasions by Northern Birds Linked to Weather Shifts From Many, One: How Many Species of Redpolls Are There?A gem of the northern woods, White-winged Crossbills often first appear as a bounding, chattering flock moving between spruce trees.
Details Twobarred Crossbill BirdGuides
It is set 2-20 m above ground against the trunk of a conifer, typically spruce. On occasion it is placed at the end of a branch. Clutches are three to four eggs. The diet consists mainly of conifer seeds, buds, berries and shoots, chiefly of larch and spruce but it also takes a range of invertebrates and larvae (Clement 2016). LC Two-barred Crossbill Loxia leucoptera Summary Text account Data table and detailed info Distribution map Reference and further resources Family: Fringillidae (Finches) Authority: Gmelin, 1789 Red List Category Click here for more information about the Red List categories and criteria Justification of Red List category Two-barred Crossbill Loxia leucoptera bifasciata (Gmelin 1789). Appearance: Medium-sized finch red (adult males), yellowish-red (immature males) to greyish-green (females and juveniles) finch with distinctive mandibles curved and crossed at the tip. Distribution: Northern Scandinavia to Siberia Taxonomy: Two-barred Crossbill Loxia leucoptera bifasciata-> N Europe to E Siberia and NW China Description The two-barred crossbill is 14.5-17 cm (5.7-6.7 in) in length and weighs 25-40 g (0.88-1.41 oz). It has short legs, a forked tail, a crossed bill and two prominent white wing-bars. The male of the nominate subspecies has forehead, crown, nape and upper-parts bright raspberry-red.![](https://4.bp.blogspot.com/-SLgsPClio6o/U0FhCRo9NAI/AAAAAAAABNE/N8ancn5QnKw/s1600/Two-barred+Crossbill+(30).jpg)
Cock of the Rock Twobarred Crossbills at Lynford Arboretum
Genetic research on their DNA failed to reveal any difference between any of the crossbills (including the morphologically distinct two-barred), with variation between individuals greater than any difference between the taxa. Year Category Criteria; 2016: Least Concern: 2012: Least Concern: 2009: Least Concern: 2008: Least Concern: 2004: Least Concern: 2000: Lower Risk/Least Concern: 1994. Two-barred Crossbill (Loxia leucoptera) :: xeno-canto Two-barred Crossbill · Loxia leucoptera · Gmelin, JF, 1789 Order: PASSERIFORMES Family: Fringillidae (Finches, Euphonias) Genus: Loxia Species: leucoptera 264 foreground recordings and 50 background recordings of Loxia leucoptera . Total recording duration 3:21:33. Results format: detailed The record-breaking Two-barred Crossbill irruption in Shetland, July-August 2019. Publish date: 12/08/2019. Dave Cooper, Brydon Thomason & Rob Fray summarise 2019's unprecedented arrival of Two-barred Crossbills to the archipelago, assessing the numbers involved and looking at possible causes.![](https://www.birdguides.com/cdn/gallery/birdguides/a306dd6e-4d7e-485b-bc97-e3b524152363.jpg)