Red-ruffed Fruitcrow
Pyroderus scutatus
It has a relatively heavy pale bluish bill, and the plumage is primarily black, but with a dull brown to bright orange-crimson patch on the throat depending on the subspecies, (thereby superficially resembling the smaller male purple-throated fruitcrow). Some subspecies have brown underparts. Males gather in loose leks where they call to attract the smaller, but otherwise similar, females.
ID text from Wikipedia, CC BY-SA 4.0
Rufous Piha
Lipaugus unirufus
The rufous piha is 22 to 26 cm (8.7 to 10 in) long; six individuals weighed 79 to 97 g (2.8 to 3.4 oz). The sexes have the same plumage. Adults of the nominate subspecies have a rufous crown with thin, somewhat lighter, streaks. The rest of their face and their upperparts are deep cinnamon brown. Their wings and tail are deep cinnamon brown with deep ochraceous buff inner webs on the remiges. Their underparts are buffy cinnamon that is darker and duller on the breast. Subspecies L. u. castaneotinctus has darker, more chestnut cinnamon upperparts than the nominate. Voice: The calls of the nominate subspecies of the rufous piha are described as "a very loud, scratchy, electric-sounding WIIII'WERRRE! or Peuuur-WIIII'WERRRRE!, or just a single peeuuurr". Those of subspecies L. u. castaneotinctus are similar, "a variety of loud and explosive whistled calls, e.g., peeeéuw, wheeeéo, and chow-eeéo" that are sometimes given in a short series.
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: Red-ruffed Fruitcrow and Rufous Piha.