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Adult males are iridescent black on their head, back, sides and tail. They have a white stripe behind the eye and a lower white stripe across each side of the head, a red chin and a bright yellow belly. They have black wings with large white patches. The female is completely different in appearance:
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This woodpecker is associated with mature larch forests in south-central
British Columbia; less than 500 individuals breed in Canada. The habitat for this species is rapidly disappearing due to forest harvesting. The species was designated endangered in 2005.
392:
as the genus for both in 1858. In 1873 Henry
Henshaw clarified this matter and recognized them as the same species. This is also summarized in Robert Ridgway's 'The Birds of North and Middle America, Part 6' (1914).
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mainly black, with a pale yellow breast, a brownish head with black streaking and fine barring on the back, breast and sides. Originally, the female was considered to be a different species and named the
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These birds feed on sap, mainly from conifers, but insects are their main food source during the nesting season and they also eat berries outside of the breeding period.
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In the nineteenth century, the males and females of this sapsucker were believed to be separate species. The female was first described 1852 as
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272:. They are permanent residents in some parts of their range; migrating birds form small flocks and may travel as far south as central Mexico.
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may also be important components of good habitat for these birds. Partially migratory, they breed in western North
America from northern
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which collected the first male. They were trying to identify the best route west for a railway to the
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485:"Williamson's Sapsucker Identification, All About Birds, Cornell Lab of Ornithology"
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They excavate a new nesting cavity each year, sometimes reusing the same tree.
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This species may be declining in some parts of its range due to habitat loss.
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Smith, Michael R.; Mattocks, Philip W. Jr.; Cassidy, Kelly M. (1997).
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Breeding habitat is open forested areas with conifers, mainly
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384:, and the male was described in 1857 (Newberry) as
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338:The species took its common name from Lieutenant
893:Fauna of the California chaparral and woodlands
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328:These birds drum to establish territories.
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888:Native birds of the Western United States
460:. Seattle: Seattle Audubon. p. 268.
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873:IUCN Red List least concern species
421:IUCN Red List of Threatened Species
533:Cornell Lab of Ornithology profile
458:Breeding Birds of Washington State
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370:Sphyrapicus thyroideus thyroideus
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410:BirdLife International (2016).
360:Sphyrapicus thyroideus nataliae
388:. Baird appropriated the name
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509:"COSEWIC ANNUAL REPORT 2005"
298:: 8.3-9.8 in (21-25 cm)
24:Williamson's sapsucker
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342:, who was the leader of a
340:Robert Stockton Williamson
903:Taxa named by John Cassin
543:Description & picture
283:black-breasted woodpecker
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75:Scientific classification
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428:: e.T22680877A92884201.
898:Birds described in 1852
304:: 1.6-1.9 oz (44-55 g)
850:Sphyrapicus-thyroideus
622:Sphyrapicus_thyroideus
597:Sphyrapicus thyroideus
567:Sphyrapicus thyroideus
516:www.sararegistry.gc.ca
414:Sphyrapicus thyroideus
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216:Sphyrapicus thyroideus
211:Williamson's sapsucker
184:Sphyrapicus thyroideus
733:williamsons-sapsucker
489:www.allaboutbirds.org
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344:surveying expedition
310:: 17 in (43 cm)
219:) is a medium-sized
318:Male with sap wells
45:Conservation status
386:Picus williamsonii
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166:S. thyroideus
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832:Open Tree of Life
559:Taxon identifiers
240:Habitat and range
223:belonging to the
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382:Picus thyroideus
270:British Columbia
268:as far north as
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60:Least Concern
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492:. Retrieved
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439:. Retrieved
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289:Measurements
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883:Sphyrapicus
819:Neotropical
793:NatureServe
741:iNaturalist
591:Wikispecies
441:12 November
390:Sphyrapicus
285:by Cassin.
276:Description
250:douglas-fir
229:Sphyrapicus
153:Sphyrapicus
878:Sapsuckers
867:Categories
845:Xeno-canto
494:2020-09-26
397:References
354:Subspecies
234:sapsuckers
221:woodpecker
132:Piciformes
254:grand fir
160:Species:
98:Kingdom:
92:Eukaryota
798:2.101135
785:22680877
759:11008699
648:22680877
643:BirdLife
582:Q1272899
576:Wikidata
364:Malherbe
308:Wingspan
138:Family:
112:Chordata
108:Phylum:
102:Animalia
88:Domain:
65:IUCN 3.1
723:2478602
630:Avibase
376:, 1852)
366:, 1854)
194:, 1852)
148:Genus:
142:Picidae
128:Order:
118:Class:
63: (
824:wilsap
811:372290
772:178208
730:GNAB:
705:EURING
697:wilsap
671:wilsap
610:wilsap
464:
374:Cassin
302:Weight
296:Length
266:Mexico
252:, and
192:Cassin
837:90563
754:IRMNG
746:18460
692:eBird
684:4Z2NZ
668:BOW:
661:12543
512:(PDF)
225:genus
38:Male
806:NCBI
780:IUCN
767:ITIS
718:GBIF
710:8750
656:BOLD
462:ISBN
443:2021
426:2016
260:and
122:Aves
679:CoL
617:ADW
606:ABA
430:doi
236:).
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
