Blue Manakin
Chiroxiphia caudata
At a length of around 15 cm (5.9 in) and a weight of around 25.6 g (0.90 oz), this small sparrow-sized bird may be the largest species within the diminutive manakin family. Formerly, the name "swallow-tailed manakin" was used widely, but as it is misleading (the tail is unlike that of any swallow), this name has largely been abandoned for "superior blue manakin". As suggested by this common name, the male is – by far – the manakin with most blue to the plumage. The entire body is bright blue, while the wings, tail and head, except for the red cap, are black.
ID text from Wikipedia, CC BY-SA 4.0

Long-tailed Manakin
Chiroxiphia linearis
Large for a manakin, the long-tailed measures about 10 cm (3.9 in) long and weighs 18 g (0.63 oz). The male is mostly a rich black. This is contrasted by a bright red crown and legs. The back is bright blue. The two central tail feathers are narrow and greatly elongated. The female is olive green, paler below and on the chin and throat. Some females have a small amount of red in the crown. It closely resembles the lance-tailed manakin (C. lanceolata), the blue-backed manakin (C. pareola), the swallow-tailed manakin (C. caudata), and the Yungas manakin (C.
ID text from Wikipedia, CC BY-SA 4.0
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Blue Manakin and Long-tailed Manakin.