Black-crowned Tityra
Tityra inquisitor
The black-capped tityra is 16.5 to 20.5 cm (6.5 to 8.1 in) long and weighs 33.8 to 70 g (1.2 to 2.5 oz). The species is sexually dimorphic. Adult males of the nominate subspecies T. i. inquisitor have a mostly black head. Their nape and upperparts are whitish gray with a pearly gray cast. Their wings are mostly black with grayish white tertials. Their tail is black. Their throat and underparts are white. Adult females have a buffy forehead and a black cap on an otherwise chestnut or rusty face. Voice: The black-crowned tityra is not highly vocal. It does make a variety of calls including "a husky grunting or dry guttural...variable sheh-shehk, squik or zick-zick-zick, and a series of low, weak, and nasal chet-chut, chaa-cherp notes". It also makes a "nasal grunting with buzzy quality, uurnt or uurnt-uurnt strange thin corre corre call".
ID text from Wikipedia, CC BY-SA 4.0

Masked Tityra
Tityra semifasciata
The masked tityra is 20 to 24 cm (7.9 to 9.4 in) long and weighs 77 to 88 g (2.7 to 3.1 oz). The species is sexually dimorphic. Adult males of the nominate subspecies T. s. semifasciata have bare rosy red skin from their bill to and around their eye. They have a black forecrown and the color wraps behind and under the red skin. The rest of their head and their upperparts are pale grayish white with a heavy pearly gray cast. Their wings are mostly black with grayish white tertials. Their tail is grayish white with a wide black band near the end. Their throat and underparts are whitish. Voice: The masked tityra has a wide variety of calls including "a distinctive buzzy, nasal, staccato, and croaking or clicking zzzu rrk or zzr zzzrt and rr-rr-rrk...a dry, nasal, and grunting or almost pig-like querp or kuert, sometimes doubled...or a longer and more rhythmic series of similar notes with two pitches, ghe-rák-gherik".
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: Black-crowned Tityra and Masked Tityra.