Tree
subspecies
Leucophaeus atricilla megalopterus (Bruch, 1855)
kingdom Animalia - animals » phylum Chordata - chordates » class Aves - birds » order Charadriiformes » family Laridae - gulls, terns and skimmers » genus Leucophaeus
subspecies
kingdom Animalia - animals » phylum Chordata - chordates » class Aves - birds » order Charadriiformes » family Laridae - gulls, terns and skimmers » genus Leucophaeus