The Little Grassbird is a nondescript, drab little bird which lives at the margins of wetlands among rank growth of grass, rushes, reeds and sedges, as well as saltmarsh and clumps of lignum. In these densely vegetated habitats, the Little Grassbird is heard more often than it is seen, and its mournful, whistled three-note call is often a characteristic feature of these environments. The Little Grassbird readily engages in conversation with people — its call is easily imitated, and grassbirds usually whistle in response to such imitations.
The Little Grassbird eats insects and other small arthropods, usually remaining in the dense cover of grasses and swamp vegetation.
