In terms of weight, and standard bill and tarsal measurements, this is the largest species of emberizid overall, although related species, including Abert's, Canyon and California Towhees, outrank the Collared Towhee in overall length, as well as tail and wing length.
Eurasian Collared Dove | Collared Kingfisher | Rufous-collared Kingfisher | Red-collared Widowbird | Crinkle-collared Manucode | Collared Flycatcher | Collared Pratincole | Chestnut-collared Swift | Yellow-collared Chlorophonia | White-collared Seedeater | White-collared Fruit Bat | White-collared fruit bat | Southern Double-collared Sunbird | Rufous-collared Sparrow | Ochre-collared Piculet | Collared Petrel | Collared Peccary | Collared peccary | Collared Imperial Pigeon | Canyon Towhee | Black-collared Jay | Abert's Towhee |