Scientific Journal of the BirdLife Hungary

A Magyar Madártani és Természetvédelmi Egyesület tudományos folyóirata

Ornis Hungarica. vol.30(2). (2022) p.163-175.

Presentation of so far undetermined bird remains from the Upper Miocene (MN13) of Polgárdi 4 and 5 (Fejér county, West Hungary)
Jenő (Eugen) Kessler & Ida Horváth

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The authors have identified the mostly very fragmentary bird fossils from the uncatalogued material of the Hungarian Institute of Geology and Geophysics to the level that the condition of the bones allows. Almost half of the 102 bone pieces (42 fragments) could be completely or partially identified, while the rest (60 fragments represented either by bone fragments or by toe phalanges, claws, mandibles, etc.) could not be identified. The material identified includes taxa previously published and known from the site, but a good number of these are represented by other bones or parts of bones, as in previous publications (Palaeortyx phasianoides Milne-Edwards, 1869, Palaeocryptonix hungaricus Jánossy, 1991, Porzana † kretzoii Kessler, 2009, Glaucidium † baranensis Kessler, 2010, Apus † baranensis Jánossy, 1977, Lullula † minor Kessler, 2013, Delichon † polgardiensis Kessler, 2013, Riparia † major Kessler, 2013, Sitta † gracilis Kessler, 2013). The taxa identified at order, family or genus level are listed in the main text and complemented by one figure, as well as a rich bibliographic material.