What is the primary characteristic noted for members of the Genus *Luscinia*?

Answer

Extraordinary vocal abilities despite often drab, brownish plumage.

The Genus *Luscinia* groups several species known for their extraordinary vocal abilities, often while possessing drab, brownish plumage.

What is the primary characteristic noted for members of the Genus *Luscinia*?
birdanimalclassificationpasserine