Genus Acanthisitta, commonly known as the New Zealand wrens, belong to the family Acanthisittidae. These small and agile birds are found solely in New Zealand's forests and are considered an endemic species. While there are no exact synonyms for Genus Acanthisitta, the term "wrens" is often used to describe the species. Their scientific name "Acanthisitta" is derived from the Greek word acanthis, meaning "a small bird". Other synonyms for this species include "Sitatunga" and "Titiwai". These birds are known for their unique adaptations and behaviors, such as their ability to climb trees with ease and their habit of building their nests from moss.