DFA scatterplot of six acoustic variables measured for calls of the A. g. gentilis-group, A. g. atricapillus-group and A. henstii (n=119).

 
 
  Part of: Sangster G (2022) The taxonomic status of Palearctic and Nearctic populations of northern goshawk Accipiter gentilis (Aves, Accipitridae): New evidence from vocalisations. Vertebrate Zoology 72: 445-456. https://doi.org/10.3897/vz.72.e85419