Black-throated Sparrow
Amphispiza bilineata
The black-throated sparrow is about 12 to 14 cm (4.7 to 5.5 in) long, weighs 11 to 15 g (0.39 to 0.53 oz), and has a wingspan of about 19.5 cm (7.7 in). The sexes have the same plumage. Adults of the nominate subspecies A. b. bilineata have a black forehead, a gray crown and nape, a white supercilium and malar stripe both with thin black borders, black lores, and dark slate ear coverts. Their back and scapulars are brownish gray and their uppertail coverts mouse gray. Their tail is mostly brownish black. Voice: The black-throated sparrow's song usually has two parts, an "(1) introduction with note(s) followed by buzz and (2) repetitive section of trills (and sometimes buzzes)". One rendering is "chee-whee, whit, wher'r'r'r, cha, cha, cha, or chee cha cher'r'r'r'r chee". It apparently has few calls.
ID text from Wikipedia, CC BY-SA 4.0
Canyon Towhee
Melozone fusca
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
Where you might meet both
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