Several species have adapted to agricultural systems and will enter grain fields after the harvest to glean the ground; they will also enter the fields during the growing season, to the dismay of the farmers.
Varias especies adaptáronse aos cultivos agrícolas e entran nos campos de cereais despois da colleita para rebuscar grans no chan; tamén entran nos campos durante a estación de crecemento, para consternación dos agricultores.