The canary-of-earth nests, in nature, in cavities, often using abandoned nests of john-of-earth, as well as cattle skulls arranged for this purpose on stakes, or hanging porongos with an entrance suitable for their size. There are references to nests placed on the roofs of houses. They are very aggressive in defending the nest, even attacking larger birds that approach it. In captivity, they often breed in cages measuring 70x40x30 cm, with a nest box that is 15 cm on a side and has a hole for entry. Usually, cut and shredded burlap bags can be used for the female to build the nest.