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Comprehensive Description ( englanti )

tarjonnut Smithsonian Contributions to Zoology
Ficedula hypoleuca hypoleuca (Pallas)

A single young male was taken in the Kakamega Forest on 8 December 1965. This appears to be the first record for Kenya for this rare straggler from Europe. The brown coloration of the upperparts (versus gray), the lack of white bases to the feathers of the hindneck, and the wing formula (fifth primary longer than the second) separate it from the allied and hardly distinguishable White Collared Flycatcher (Ficedula albicollis), in which the reverse is the case. The bird weighed 12 grams.
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bibliografinen lainaus
Ripley, S. Dillon and Bond, Gorman M. 1971. "Systematic notes on a collection of birds from Kenya." Smithsonian Contributions to Zoology. 1-21. https://doi.org/10.5479/si.00810282.111