Dr. Roland Frey


Department of Reproduction Management

Tel: 0049 (0) 30 5168 - 430
E-Mail: frey@izw-berlin.de

Research interests
  • Evolutionary morphology
  • Skeletonisation
  • Comparative anatomy of the head and neck region
  • Vocal anatomy of ruminants and other mammals
Selected publications

Volodin IA, Volodina EV, Frey R. (2021). Rutting vocal display in male impala (Aepyceros melampus) and overlap with alarm context. FRONT ZOOL 18, 1–5. doi:0.1186/s12983-020-00383-9

Frey R, Volodin IA, Volodina EV, Efremova KO, Menges V, Portas R, Melzheimer J, Fritsch G, Gerlach C, von Dörnberg K (2020): Savannah roars: The vocal anatomy and the impressive rutting calls of male impala (Aepyceros melampus) – highlighting the acoustic correlates of a mobile larynx. J ANAT 236, 398-424. doi:10.1111/joa.13114

Reby D, Wyman MT, Frey R, Charlton BD, Dalmont JP, Gilbert J (2018) Vocal tract modelling in fallow deer: are male groans nasalized? J Exp Biol 221, 12 pp.

Frey R, Reby D, Fritsch G, Charlton BD (2018) The remarkable vocal anatomy of the koala (Phascolarctos cinereus): insights into low-frequency sound production in a marsupial species. J Anat 232, 575-595.

Volodin IA, Matrosova VA, Frey R, Kozhevnikova JD, Isaeva IL, Volodina EV (2018) Altai pika (Ochotona alpina) alarm calls: individual acoustic variation and the phenomenon  of call-synchronous ear folding behavior. Sci Nat 105: 40, 1-13. https://doi.org/10.1007/s00114-018-1567-8

Charlton BD, Frey R, McKinnon AJ, Fritsch G, Fitch WT, Reby D (2013): Koalas use a novel organ to produce unusually low-pitched mating calls. CURR BIOL 23, doi:10.1016/j.cub.2013.10.069.

Frey R, Volodin I, Volodina E, Carranza J, Torres J (2012): Vocal anatomy, tongue protrusion behaviour and the acoustics of rutting roars in free-ranging Iberian red deer stags (Cervus elaphus hispanicus). J Anat 220, 271-292.

Herbst CT, Stoeger AS, Frey R, Lohscheller J, Titze IR, Gumpenberger M, Fitch WT (2012) How low can you go? Physical production mechanism of elephant infrasonic vocalizations. Science 337, 595-599.

Frey R, Volodin I, Volodin E, Soldatova NV, Juldaschev ET (2010): Descended and mobile larynx, vocal tract elongation and rutting roars in male goitred gazelles (Gazella subgutturosa Güldenstaedt, 1780). J. Anat. 218, 1469-7580.