Peruvian Meadowlark
Leistes bellicosus
The Peruvian meadowlark is about 21 cm (8.3 in) long and weighs 61 to 78 g (2.2 to 2.8 oz); males are larger than females. Adult males of the nominate subspecies have a mostly black head with a white forehead, a long supercilium that is red from the bill to the eye and white beyond it, a white lower eyelid, and a short white "moustache". Their upperparts, wings, and tail are mostly grayish brown with blackish streaks. A few wing coverts are red and the underwing coverts are grayish white. Their chin, throat, and breast are bright red with blackish sides. Voice: One description of the male Peruvian meadowlark's display song is "a prolonged wheezy descending note preceded by several short ones, e.g. tee-tee-zho-zhweeeeee". One call is "a short, raspy chak". Another description of the song is "a pleasant series of high, thin whistles and buzzy notes, for example" heeu deer-tu-DZZZZZZZ. Other calls are "a buzzy dzzt, a low chup, and chep".
ID text from Wikipedia, CC BY-SA 4.0

Red-breasted Meadowlark
Leistes militaris
The red-breasted meadowlark is a small icterid, 19 cm (7.5 in) long and weighing 40–48 g (1.4–1.7 oz). Males are larger than females. The male has mainly black plumage, apart from a bright red throat, belly and wing epaulets. This striking "redcoat" plumage gives rise to the specific name militaris and the Trinidadian name "soldier bird". The female has buff edged dark brown upperpart feathers, buff underparts with a reddish tinge, and pale streaks through the crown and eye. Juveniles resemble the female, but are paler and lack the reddish tint to the underparts.
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: Peruvian Meadowlark and Red-breasted Meadowlark.