Atlantic Black-throated Trogon

The Atlantic black-throated trogon (Trogon chrysochloros) is a bird in the family Trogonidae, the trogons and quetzals. It is found in Argentina, Brazil, and Paraguay. == Taxonomy and systematics == What is now the Atlantic black-throated trogon was long treated as one of six subspecies of the then "black-throated trogon" (Trogon rufus sensu lato). Starting in 2022, the South American Classification Committee of the American Ornithological Society (AOS), the International Ornithological Congress, and the Clements taxonomy split the black-throated trogon into four species, one of them being the Atlantic black-throated trogon. In this split Trogon rufus was renamed the Amazonian black-throated trogon. However, as of 2024 the North American Classification Committee of the AOS and BirdLife International's Handbook of the Birds of the World (HBW) have not recognized the split, retaining the six-subspecies black-throated trogon. The Atlantic black-throated trogon has two subspecies, the nominate T. c. chrysochloros (Pelzeln, 1856) and T. c. muriciensis (Dickens, Bitton, Bravo & Silviera, 2021). The latter had been proposed as a full species. The Atlantic black-throated trogon's specific epithet chrysochloros derives from the Greek χρυσος/khrusos meaning gold, and χλωρος/khlōros meaning green. == Description == Like most trogons, the Atlantic black-throated has distinctive male and female…