Phylloscopus trochilus yakutensis Ticehurst, 1935 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Chordata class Aves order Passeriformes family Phylloscopidae genus Phylloscopus species Phylloscopus trochilus Name Homonyms Phylloscopus trochilus yakutensis Ticehurst, 1935