Great Rufous Woodcreeper
Xiphocolaptes major
The great rufous woodcreeper is the largest, though not the heaviest, member of its subfamily. It is heavy-bodied with a long, heavy, somewhat decurved bill. It is 27 to 34 cm (11 to 13 in) long. Males weigh 120 to 150 g (4.2 to 5.3 oz) and females 120 to 162 g (4.2 to 5.7 oz). The sexes have the same plumage. Adults of the nominate subspecies X. m. major are almost entirely bright rufous-cinnamon. Their crown is slightly darker, their tail more chestnut, and their flight feathers reddish brown with dusky tips on the primaries. Voice: The great rufous woodcreeper's song is a "slightly descending series of 5-8 double-noted whistles, like 'wéettuck - -'." It has a "loud, ringing quality". The species gives a "two-part call... emphatic...'eeehr-eek!'."
ID text from Wikipedia, CC BY-SA 4.0
White-throated Woodcreeper
Xiphocolaptes albicollis
The white-throated woodcreeper is one of the largest members of its subfamily. It is heavy-bodied, with a shortish tail and a long decurved bill. It is 27.5 to 33 cm (11 to 13 in) long and weighs 110 to 130 g (3.9 to 4.6 oz). The sexes have the same plumage. Adults of the nominate subspecies have a dark face with a whitish to pale buff supercilium and moustachial stripe. They have a dark stripe behind the eye and a blackish one on the cheek. Their forehead, crown, and nape are black with strong cream to buff streaks on the crown. Voice: The white-throated woodcreeper sings mostly at dawn and dusk, sometimes late into the evening. Both sexes sing. Its song is a "slow, descending series of 4-6 high, sharp, double-noted whistles, like 'witjuu witjuu - -'." The song has also been put into words as "reenht-wi-KEER wi-KEER wi-KEER wi-KEER wi-KEER wi-KEER wick". Its calls include "snarls, including rising 'wheee', also 2-note call...
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: Great Rufous Woodcreeper and White-throated Woodcreeper.