Breeding is seasonal and usually timed to coincide with the end of the dry season and beginning of the rainy season; in species with large ranges this can lead to considerable variation as to the exact timing.
A reprodución é estacional e xeralmente sincronizada para coincidir co final da estación seca e inicios da estación chuviosa; nas especies con amplas áreas de distribución isto pode levar a unha considerable variación en canto ao momento exacto.