Pale-crested Woodpecker
Celeus lugubris
The pale-crested woodpecker is about 23 to 24 cm (9.1 to 9.4 in) long. The nominate subspecies C. l. lugubris weighs 115 to 130 g (4.1 to 4.6 oz) and C. l. kerri weighs 112 to 157 g (4.0 to 5.5 oz). Males of both subspecies have a wide bright red malar area and cheek (and sometimes around the eye); females are barred or scaly brown there instead. In the nominate subspecies, adults of both sexes have a pale blond to buffish head including the long pointed crest, chin, and throat. They have deep rufous-black upperparts with a blond to cream-buff lower back, rump, and uppertail coverts.
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: Pale-crested Woodpecker and Variable Woodpecker.