Jamna (Polish: Jamna, Polish pronunciation: [ˈjam.na]) is an extinct passeriform bird from early Oligocene deposits of Poland.

It has been concluded as a frugivore or omnivore that lived in forests and shrubs.

[1] A 2024 study found it to represent a basal passeriform with no close relatives, being the sister group to all other extant passeriforms.

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