This case study describes the presence of a deer ked (Lipoptena cervi, Linnaeus, 1758) in the Balkan chamois (Rupicapra rupicapra balcanica) from the area of the National Park "Sutjeska", Bosnia and Herzegovina (B&H). This is the first finding of this ectoparasite in this animal species in B&H, which indicates that deer ked has significant adaptive abilities to different animal hosts.
Keywords: Balkan chamois; Bosnia and Herzegovina; Deer ked.
© 2022 The Authors.