Iduna

Iduna is a genus of tree warbler in the Acrocephalidae family. Keyserling and Blasius gave no explanation of the genus name Iduna.

Taxonomy
It is sometimes lumped in the genus Hippolais, although in 2009 it was found to belong to the Iduna clade. It contains the following species:
 * Booted Warbler, Iduna caligata
 * Sykes's Warbler, Iduna rama
 * Isabelline Warbler / Western Olivaceous-Warbler, Iduna opaca
 * Olivaceous Warbler / Eastern Olivaceous-Warbler, Iduna pallida
 * African Yellow Warbler, Iduna natalensis
 * Mountain Yellow Warbler, Iduna similis