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Icterus galbula

Icterus galbula, Photo: Michael Lahanas

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Aves
Subclassis: Carinatae
Infraclassis: Neornithes
Parvclassis: Neognathae
Ordo: Passeriformes
Subordo: Passeri
Parvordo: Passerida
Superfamilia: Passeroidea
Familia: Icteridae
Genus: Icterus
Species: Icterus galbula

Name

Icterus galbula (Linnaeus, 1758)

Reference

* Syst. Nat. ed.10 p.108

Vernacular names
Internationalization
English: Baltimore Oriole
日本語: ボルチモアムクドリモドキ
‪Norsk (bokmål)‬: Lundtrupial
Polski: Kacyk północny
Português: Corrupião-de-baltimore

Icterus galbula

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The Baltimore Oriole, Icterus galbula, is a small icterid blackbird which is on average 18 cm long and weighs 34 g. This bird received its name from the fact that the male's colors resemble those on the coat-of-arms of Lord Baltimore. At one time, this species and the Bullock's Oriole, Icterus bullockii, were considered to be a single species, the Northern Oriole.

The Baltimore Orioles, a Major League Baseball team in Baltimore, Maryland, were named after this bird. It is also the state bird of Maryland.
Adults have a pointed bill and white bars on the wings. The adult male is orange on the underparts, shoulder patch and rump. All of the rest of the male is black. The adult female is yellow-brown on the upper parts with darker wings, and dull orange on the breast and belly.

The male sings a loud flutey whistle that often gives away the bird's location before any sighting can be made. Click here to listen to the whistle of a Baltimore Oriole.

Distribution and ecology

The breeding habitats of these birds are the edges of deciduous and mixed woods across eastern North America. The range of this bird overlaps with that of the similar Bullock's Oriole in the midwest, and the two species are sometimes considered to be conspecific under the name Northern Oriole because they form fertile hybrids.

These birds migrate in flocks to southern Mexico, Central America and northern South America. Some birds may remain near feeders in winter.

The Baltimore Oriole's nest is a tightly woven pouch located on the end of a branch, hanging down on the underside.

The Baltimore Oriole is a rare vagrant to western Europe, and there are a couple of British records of birds wintering near garden feeders, including one in Oxford in December 2003. Perhaps the most remarkable record was the incident occurring on 7th and 8 October 2001. On this date, in Baltimore, Co. Cork, Ireland, the first record of this species in Ireland was made.
Baltimore Orioles forage in trees and shrubs, also making short flights to catch insects. They mainly eat insects, berries and nectar, and are often seen sipping at hummingbird feeders. Oriole feeders contain essentially the same food as hummingbird feeders, but are designed for orioles, and are orange instead of red and have larger perches. Baltimore Orioles are also fond of halved oranges, grape jelly and, in their winter quarters, the red arils of Gumbo-limbo (Bursera simaruba).[1]

Footnotes

1. ^ Foster (2007)


References

* BirdLife International (2004). Icterus galbula. 2006. IUCN Red List of Threatened Species. IUCN 2006. www.iucnredlist.org. Retrieved on 12 May 2006. Database entry includes justification for why this species is of least concern
* Foster, Mercedes S. (2007): The potential of fruiting trees to enhance converted habitats for migrating birds in southern Mexico. Bird Conservation International 17(1): 45-61. doi:10.1017/S0959270906000554 PDF fulltext
* Hilty, Steven L. (2003): Birds of Venezuela. Christopher Helm, London. ISBN 0-7136-6418-5
* Stiles, F. Gary & Skutch, Alexander Frank (1989): A guide to the birds of Costa Rica. Comistock, Ithaca. ISBN 0-8014-9600-4

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