Chestnut Woodpecker
Celeus elegans
The chestnut woodpecker is about 26 to 32 cm (10 to 13 in) long. Subspecies C. e. hellmayri weighs 138 to 168 g (4.9 to 5.9 oz), C. e. leotaudi weighs 93 to 139 g (3.3 to 4.9 oz), and C. e. jumanus weighs 112 to 146 g (4.0 to 5.1 oz). Males of all subspecies have a wide bright red malar area and cheek; females have no red. In the nominate subspecies C. e. elegans adults of both sexes have a buffish cream forehead, crown, and crest. The rest of their head including the chin and throat are deep chestnut brown.
ID text from Wikipedia, CC BY-SA 4.0
Variable Woodpecker
Celeus undatus
The waved woodpecker is about 23 to 26 cm (9.1 to 10.2 in) long and weighs 61 to 87 g (2.2 to 3.1 oz). In the nominate subspecies C. u. undatus, both sexes' heads are light chestnut-rufous with a bushy crest; the crest is sometimes paler with black bars, and the ear coverts and the sides of the neck have black streaks. Males have a wide red band from behind the bill to the ear coverts; females lack it. Both sexes of adults have a cinnamon-buff chin and throat with black spots or bars. They have rufous-chestnut upperparts with wide black bars, though the rump is usually paler and yellower.
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: Chestnut Woodpecker and Variable Woodpecker.