The Mauritius Fody is endemic to Mauritius. Males develop a red head and neck during the breeding season, while females remain olive-coloured throughout the year.
During the breeding season, males have a red head and neck. Females are olive-coloured throughout the year.
It feeds on nectar, fruit, seeds, and insects.
On Ile aux Aigrettes, both sexes collect nest material and weave it into the nest.
On Ile aux Aigrettes in 2008–2009, feeding observations included caterpillars, moths, ants, spiders and earthworms, as well as a juvenile Calotes lizard.
An extinction-risk assessment has not been added yet.