Status
In New Zealand, mohua have the status of a ''protected threatened endemic'' species. Conservation efforts are being made to ensure its survival and mohua populations have been established on several predator-free offshore islands, such as Breaksea Island in Fiordland and Ulva Island.Pest control efforts by the Department of Conservation, have managed to stabilise some mainland mohua populations. For example, where biodegradable 1080 poison was used to control rats in the Dart valley, there was a more than 80 per cent survival rate, compared with just 10 per cent in un-treated areas. The population of mohua in the Landsborough valley has increased four-fold since 1998, thanks to an intensive programme of pest control, including aerial 1080. The population is now strong enough for birds to be transferred out to establish a new population on Resolution Island. Similar aerial 1080 operations in the Catlins and the Hurunui, Hawdon and Eglinton valleys have had equally encouraging results. DOC and TBfree New Zealand accounted in March 2014 a significant repopulation in the Catlins of other avian species, including bellbird and tomtit due to the reduction in predators.
Cultural
The yellowhead appears on the reverse side of the New Zealand $100 note.References:
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