sentences:  It makes seasonal movements at least in northeastern Venezuela, where it does not occur from November to January, but remains all year in other areas, such as Buenos Aires Province, Argentina.It occurs at altitudes up to 500 m (with a sight record from 2300 m) in seasonally flooded savanna, often in drier grassy situations than other herons, but also in a wide variety of open waterlogged or shallowly submerged terrain.Because it roosts in trees, it particularly likes regions where open areas are mixed with woodlots.