The pikas of the subgenus Alienauroa were discovered merely 25 years ago, with the principal diversity of this group described only in 2017. This study integrates genomic, morphological, and distributional data from all specimens collected to date to advance the understanding of phylogeny, taxonomy, and distribution within these pika species. Our analyses delineate four distinct species: O. syrinx , O. sacraria , O. huanglonge...