Blue Bunting
Cyanocompsa parellina
The nominate subspecies of blue bunting is 13 to 14 cm (5.1 to 5.5 in) long. Males weigh 11 to 24 g (0.39 to 0.85 oz) and females 9.8 to 21 g (0.35 to 0.74 oz). The nominate male is various shades of blue, sky blue on the forehead and cheek, blackish blue on the upperparts, ultramarine on the rump, and the underparts from chin to belly deep blue. The adult and immature females are overall dull brownish, with a reddish tinge to the belly. The immature male is overall gray-blue with a brownish wash on the belly. Compared to the nominate, the C. p. Voice: The blue bunting's song is "a sweet, rather sad warble" . Its call is a metallic note .
ID text from Wikipedia, CC BY-SA 4.0
Ultramarine Grosbeak
Cyanoloxia brissonii
These birds are 15 cm long. Adult males exhibit a dark-blue plumage with bright-blue highlights on the head and upper-wings and black on the face, wings and tail. The females and the juveniles are brown. Both sexes show black legs and large, thick bill. The Ultramarine Grosbeak is sedentary, only noted to have short-distance local migrations. Individuals of this species are solitary and often territorial, rarely associating with conspecifics or loosely aggregating in mixed-species flocks.
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 Bunting and Ultramarine Grosbeak.