Williamson's Sapsucker
Sphyrapicus thyroideus
Adult males are iridescent black on their head, back, sides and tail. They have a white stripe behind the eye and a lower white stripe across each side of the head, a red chin and a bright yellow belly. They have black wings with large white patches. The female is completely different in appearance: mainly black, with a pale yellow breast, a brownish head with black streaking and fine barring on the back, breast and sides. Originally, the female was considered to be a different species and named the black-breasted woodpecker by Cassin. Measurements: Length: 8.3–9.8 in (21–25 cm) Weight: 1.
ID text from Wikipedia, CC BY-SA 4.0
Yellow-bellied Sapsucker
Sphyrapicus varius
The yellow-bellied sapsucker has a length of around 19 to 21 centimetres (7+1⁄2 to 8+1⁄4 in), and an average weight of 50.3 grams (1.77 oz), although this can range anywhere from 35 to 62 grams (1.2 to 2.2 oz). The yellow-bellied sapsucker has a wingspan that ranges from 34 to 40 centimetres (13+1⁄2 to 15+3⁄4 in). The forehead is coloured bright red in the male (and very occasionally yellow), and a lighter shade of red in the female.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Williamson's Sapsucker and Yellow-bellied Sapsucker.