Black-backed Grosbeak
Pheucticus aureoventris
The black-backed grosbeak is approximately 22 cm (8.7 in) long and weighs 43.8 to 66.2 grams (1.54 to 2.34 oz). All of the subspecies except P. a. crissalis are very similar. The males' upperparts are black with a yellow shoulder patch; the closed wings show white patches. The chin, throat, and upper breast are also black. The lower breast and belly are bright yellow with a variable amount of black flecking on the sides and flanks. The female is similar but browner and has yellow mottling on the upperside and dusky speckles on the underside. P. a. Voice: The black-backed grosbeak's song is "a rich, melodious series of whistled notes". Its call is "a sharp 'keck'".
ID text from Wikipedia, CC BY-SA 4.0
Black-headed Grosbeak
Pheucticus melanocephalus
Measurements: Length: 7.1–7.5 in (18–19 cm) Weight: 1.2–1.7 oz (34–48 g) Wingspan: 12.6 inches (32 cm) The black-headed grosbeak is similar in size to a common starling. As per its name, the male has a black head, and black wings and tail with prominent white patches. Its breast is dark to tawny orange in color, and its belly is yellow. The female has a brown head, neck, and back with sparrow-like black streaks. She also has white streaks down the middle of her head, over her eyes, and on her cheeks. Voice: The grosbeak's song is a rich warble that is similar to that of an American robin, but more fluent, faster, softer, sweeter, and mellow with rising and falling passages that make the song much longer than the robin's. The note is a sharp ik or eek. Both the male and female sing, but have different songs.
ID text from Wikipedia, CC BY-SA 4.0
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Black-backed Grosbeak and Black-headed Grosbeak.