Cinereous Mourner
Laniocera hypopyrra
The cinereous mourner is 20 to 21 cm (7.9 to 8.3 in) long and weighs 41 to 51 g (1.4 to 1.8 oz). The sexes have the same plumage. Adults have a thin orange ring around the eye. The rest of their head, upperparts, wings, and tail are mostly gray. Their primaries have a brown tinge and two rows of cinnamon spots that show as broken wing bars. Their tertials and the tips of their tail feathers have smaller cinnamon spots. Their underparts are a slightly paler gray than their upperparts. Their breast and crissum sometimes have black-tipped orange spots. Voice: The cinereous mourner's song is "a series of 10–15 very high-pitched, thin, drowsy and slurred tee-o-weeét whistles, first whistle often longer cheeeeee-a-wee". It is ventrioquial, insect-like, and carries a great distance. The bird makes long pauses between song bouts. It also makes a "series of 3–4 plaintive teeéuw whistles and a repeated weet-jeh shriek".
ID text from Wikipedia, CC BY-SA 4.0
White-naped Xenopsaris
Xenopsaris albinucha
The white-naped xenopsaris is smaller than the closely related becards and tityras, measuring 12.5 to 13 cm (4.9–5.1 in) in length and weighing around 10 g (0.35 oz). The subspecies X. a. minor has the same plumage as the nominate subspecies, but is smaller; the wing-chord (measurement from the wrist-joint to the end of the wing) length of the nominate subspecies, for example, is 6.4 to 6.6 cm (2.5–2.6 in) compared to 6.0 to 6.2 cm (2.4–2.4 in) in X. a. minor.
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: Cinereous Mourner and White-naped Xenopsaris.