(BLUE-AND-YELLOW TANAGER.)
+Tanagra bonariensis+, _Berl. Zeitschr. ges. Orn._ 1885, p. 119;
_Scl. Cat. B._ xi. p. 164. +Tanagra striata+, _Burm. La-Plata
Reise_, ii. p. 480 (Buenos Ayres, Mendoza, Cordova); _Scl. et
Salv. Nomencl._ p. 21; _Durnford, Ibis_, 1877, p. 170 (Buenos
Ayres); _White, P. Z. S._ 1882, p. 596 (Catamarca); _Barrows,
Bull. Nutt. Orn. Cl._ viii. p. 91 (Concepcion).
_Description._--Lores, region round the eyes, and back black; rump
orange; head all round and edging of wings and tail blue; abdomen
yellow, passing into orange on the breast; bill horn-colour; feet
brown: whole length 7 inches, wing 3·6, tail 2·8. _Female_ greyish
brown; beneath paler, tinged with yellowish olive on the rump and
throat.
_Hab._ South Brazil, Uruguay, Paraguay, Argentine Republic, and Bolivia.
The plumage of the male of this fine Tanager is rich blue above and
yellow beneath; the upper plumage of the female is a uniform dull
olive-green, the breast and belly buff-colour.
It is a migratory species, which appears in Buenos Ayres in small flocks
in summer. Both sexes have a long, sharp, reedy call-note; the male also
possesses a song composed of notes with a peculiar bleating sound.