Diet
The diet of the Tasmanian Nativehen is mostly made up of grass shoots and the leaves of low herbs which it grazes during daylight hours. Birds will also eat insects, seeds and orchard fruit. The species has a reputation among farmers as an agricultural pest. The damage to agriculture was extensively studied in the 1960s by M Ridpath and G Meldrum, who found that although there is some damage to crops, rabbits were responsible for more damage. Many beliefs held by farmers about damage to crops were found to be unlikely, with damage probably caused by other species.
The Tasmanian Nativehen is a secondary grazer, meaning that it depends on other species to keep grass swards low and with fresh shoots. Before European settlement in Tasmania, the cleared spaces required for feeding would probably have been provided by Indigenous burning of grasslands to provide feeding grounds for mammals, which would be hunted for food. The expansion of these cleared grassy areas, and the introduction of rabbits, has provided greater food sources and consequently greater numbers of the species within its range.
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