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Picidae – Planet of Birds

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Category: Picidae

Where to find the Black Woodpecker?

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The biggest European Woodpecker selects his breeding site based on some clear indicators. Read the general information about the species here in the online bird guide. This species is very important to other cavity breeding species and is as such recognized as a key species. This bird excavates cavities with a mean diameter of 51 […]

Ruby-throated hummingbirds observed following yellow-bellied sapsucker

Yellow-bellied Sapsucker (Sphyrapicus varius) Science Article 8 abstract The authors document an observed association between Yellow-bellied Sapsucker and Ruby-throated Hummingbird. They conclude that the hummingbirds’feeding at sapsucker wells may effect the timing of hummingbird migration. by David Flaspohler and David Grosshuesch Several species of hummingbirds are known to feed at the sap wells created by […]

YELLOW-BELLIED SAPSUCKER, SPHYRAPICUS VARIUS, IN ALASKA

Yellow-bellied Sapsucker (Sphyrapicus varius) Science Article 3 abstract The Yellow-bellied Sapsucker( Sphyrapicus varius), which breeds in the temperate and boreal forests of interior North America, has not been reported previously from Alaska. However, recent observations show that it is currently a rare summer visitant and breeder in extreme east-central Alaska, and the presence of old […]

Habitat Analysis and Survey of the Yellow-bellied Sapsucker,Sphyrapicus varius, in the Southern Appalachians

Yellow-bellied Sapsucker (Sphyrapicus varius) Science Article 4 abstract The purpose of this study is to provide a habitat analysis of the Yellow-bellied Sapsucker,Sphyrapicus varius, in the Southern Appalachians. This population of S. varius is unique because it breeds in the high elevations of the Southern Appalachians, while the northern population breeds from Pennsylvania to Alberta […]

RACIAL AND SEXUAL DIFFERENCES IN MIGRATION IN SPHYRAPICUS VARIUS

Yellow-bellied Sapsucker (Sphyrapicus varius) Science Article 2 abstract The subspecies of the Yellow-bellied Sapsucker (Sphyrapicus varius) are strongly characterized not only in morphology but in migratory habits as well. General outlines of the breeding ranges and winter ranges of the four subspeciesa re given in figures 1 and 2.These illustrate the well-known facts that S. […]

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