Western Palearctic black-and-white flycatchers

The term Western Palearctic black-and-white flycatchers is used to refer to a group of similar-looking birds in the genus Ficedula: European pied and collared flycatchers hybridise to a limited extent where their ranges meet; the hybrids have reduced fitness and usually do not survive their first winter (Parkin 2003).

Female hybrids are usually sterile (Gelter et al. 1992; see also Haldane's Rule).

All species leave their breeding grounds to winter in Sub-Saharan Africa.

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