Blue seedeater

The blue seedeater (Amaurospiza concolor) or Cabanis's seedeater is a species of bird in the cardinal family that is found in southern Mexico and Central America. The Ecuadorian seedeater (Amaurospiza aequatorialis) was formerly considered a subspecies of the blue seedeater.

The blue seedeater is 11.5 to 14 cm (4.5 to 5.5 in) long and weighs 12 to 15 g (0.42 to 0.53 oz). The nominate male is entirely slate blue. The female's upperparts are cinnamon and the underparts tawny. The male A. c. relicta is more slaty (less blue) than the nominate and has black lores; the female is a paler cinnamon.

The songs and calls have been transcribed in several ways. A song from Chiapas, Mexico, is . One from Panama is . A call from Puebla, Mexico, is and one from Panama is .