Comparisons of K2P pairwise distances based on the COI gene of 96 passerine bird species. Intraspecific distances are indicated with blue bars and interspecific distances with orange bars. Left Y-axis: numbers of intraspecific comparisons; right Y-axis: numbers of interspecific comparisons.

 
 
  Part of: Javaheri Tehrani S, Rezazadeh E, Alaei Kakhki N, Nourani L, Ebadi V, Karimi S, Karami M, Ashouri F, Sarshar A, Gossmann TI, Aliabadian M (2025) DNA barcoding of passerine birds in Iran. ZooKeys 1236: 19-39. https://doi.org/10.3897/zookeys.1236.143336