The Saíra-of-band is also known as Bunch-of-keys and Coleiro-of-band.
Measures about 14.0 cm long and weighs 26g. Despite the scientific name, has never been found in Mexico. The voice is too loud and shrill, remembering the sounds of bats. The female is paler and immature lack the brightly colored rump.
It feeds on fruits and possibly insects.
It reaches sexual maturity at 12 months. Nests in small open cup format, located quite high. Each litter is generally between 2 and 3 green gray brown eggs marked, with 2 to 3 offspring per season. The chicks hatch after 15-17 days. Other adults help parents raise their young.
It is common in edges of upland forests and floodplain, coops, clearings with scattered trees, plantations and gardens. Live in small groups of 5 to 10 individuals, not being common its association with mixed flocks.