Amazonian Grosbeak
Cyanoloxia rothschildii
The Amazonian grosbeak is 14.5 to 15 cm (5.7 to 5.9 in) long and weighs 21.5 to 31 g (0.76 to 1.09 oz). The adult male is mostly dark blue. Its forecrown and part of the wings are light blue and the underparts are blackish on the belly. It has a bit of black on the face. The female's upperparts are dark brown and the underparts a paler brown. Juveniles are similar to the female. Voice: The Amazonian grosbeak's song has been rendered as "pee tee-tu-tu-ti-pee'chee". Its call is "a sharp, harsh, dry tchit". As of May 2021, no recordings were available at Xeno-canto or the Macaulay Library.
ID text from Wikipedia, CC BY-SA 4.0
Blue-black Grosbeak
Cyanoloxia cyanoides
The blue-black grosbeak is sexually dimorphic. Females have dark brown plumage which can have a slight reddish hue. Males are dark blue with lighter blue eyebrows and shoulder patches on their wings. The forehead, the area just above the beak, is also a lighter shade of blue. Voice: Often blue-black grosbeaks will not be seen since they prefer to stay hidden among the vegetation, so most of the time their presence is known only when they vocalize. Their song is composed of about six whistles with decreasing pitch and ends with a "seee seee sewee suwee sweet suuu." There are slight differences in the songs between the three different subspecies.
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: Amazonian Grosbeak and Blue-black Grosbeak.