Canyon Towhee vs White-eared Ground Sparrow

Canyon Towhee

Melozone fusca

Small44 gShrubland

It is 19 to 25 cm (7.5 to 9.8 in) long, and has a noticeably long tail, at 8.2 to 11 cm (3.2 to 4.3 in). This species weighs from 36.5 to 67 g (1+1⁄4 to 2+1⁄4 oz), though on average weigh only around 45 g (1+1⁄2 oz). Among standard measurements, the wing chord is 8.2 to 10.1 cm (3.2 to 4.0 in), the bill is 1.4 to 1.7 cm (0.55 to 0.67 in) and the tarsus is 2.3 to 2.7 cm (0.91 to 1.06 in).

ID text from Wikipedia, CC BY-SA 4.0

Photo: Unrefined Gasoline · CC BY 4.0

White-eared Ground Sparrow

Melozone leucotis

Small40 gForest

The white-eared ground sparrow is about 18 cm (7.1 in) long and weighs about 42 g (1.5 oz). The sexes have the same plumage. Adults of the nominate subspecies have a mostly black head with white patches in front of the eye and on the ear coverts, a broken white eye-ring, a large yellow patch behind the ear coverts and on the sides of the neck, and a thin yellow line above the last. Their mantle is gray-brown and the rest of their upperparts, wings, and tail are olive-green. Their throat is black and a large black patch in the center of the breast sometimes connects to it. Voice: In Costa Rica the male white-eared ground sparrow's song "begins slowly, then quickly accelerates into a profusion of loud, high notes". They usually have a repertoire of up to eight song variations. Pairs sometimes sing in duet. Both sexes make chip and seet calls. Males sing solo only during the breeding season; duets and calls are made year-round.

ID text from Wikipedia, CC BY-SA 4.0

Photo: ChrisMcV · CC0

Photos and recordings are credited to their authors under the licence shown. Full profiles: Canyon Towhee and White-eared Ground Sparrow.