Golden-crowned Spadebill
Platyrinchus coronatus
The golden-crowned spadebill is the smallest member of its genus. It is about 8.5 to 9 cm (3.3 to 3.5 in) long and weighs 8 to 9 g (0.28 to 0.32 oz). It has a large head with a bold facial pattern and a stubby tail. The sexes have almost the same plumage. Males of the nominate subspecies have a black crown with a partially hidden orange-rufous patch in the center; females have a purer orange patch. Both sexes have pale buff-yellow as a patch above the lores, as an eye-ring, as a stripe behind the eye, and as a patch on the ear coverts. Voice: The golden-crowned spadebill's song has been described as "a very high-pitched, rapid, hissing trill that undulates slightly...and could easily be mistaken for an insect noise". A similar description is "a weak, insectlike, and high-pitched trill, se'e'e'e'e'e'e'r'r'r'r'e'e'ep...barely audible at any distance and easily overlooked".
ID text from Wikipedia, CC BY-SA 4.0

Streamer-tailed Tyrant
Gubernetes yetapa
The streamer-tailed tyrant's body is about 35 cm (14 in) long; including the tail the species is 42 cm (17 in) long. The sexes have the almost the same plumage; females are smaller and slightly duller than males and have shorter tails. Adults have a pale gray forecrown and supercilium, a darker gray crown, and a black line through the eye. Their upperparts are gray with dark brown shafts on the feathers. Their wings are mostly blackish with a large cinnamon patch at the base of the primaries that shows conspicuously in flight. The wing's tertials have light brown to sandy brown edges. Voice: The streamer-tailed tyrant's calls include "a harsh wurreep, repeated multiple times when hovering over foraging area fuller descending phrase of 2 or 3 notes, jew-jew-jew". During the courtship display one bird makes a "clearly whistled tewear-TEE-tear 2–4 times" and the other "a warbled tea-whittle, tea-whittle...".
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: Golden-crowned Spadebill and Streamer-tailed Tyrant.