Magellanic Woodpecker
Campephilus magellanicus
The Magellanic woodpecker is 36 to 45 cm (14 to 18 in) in length. Males of this species weigh 312–369 g (11.0–13.0 oz), and females weigh 276–312 g (9.7–11.0 oz). Among standard measurements, the wing chord is 20.5 to 23 cm (8.1 to 9.1 in), the tail is 13.9 to 16.8 cm (5.5 to 6.6 in), the bill is 4.3 to 6 cm (1.7 to 2.4 in), and the tarsus is 3.3 to 3.9 cm (1.3 to 1.5 in). It is the largest South American woodpecker and one of the largest woodpeckers in the world.
ID text from Wikipedia, CC BY-SA 4.0
Powerful Woodpecker
Campephilus pollens
The powerful woodpecker is about 32 cm (13 in) long. The sexes differ only on their heads: Adult males are red from their forehead to their crest; females are black there. Both sexes of the nominate subspecies have a black and white face including the throat; the white is a wide band from the lores to below the rear of the ear coverts and from there down the side of the neck. Both sexes have a black hindneck, mantle, scapulars, and upper back with narrow white stripes on either side. Their lower back and rump are white and their uppertail coverts black.
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: Magellanic Woodpecker and Powerful Woodpecker.