The quality of being dusky.

plural of duskiness

Dimly lit, as at dusk (evening). / Having a shade of color that is rather dark. / (dated, literary) Dark-skinned. / Ashen; having a greyish skin coloration.

A dusky shark. / A dusky dolphin. / A dusky grouse.

plural of dusky

A species of thrush, Turdus eunomus, which breeds eastwards from central Siberia.

plural of dusky thrush

A species of forest-dwelling grouse native to the Rocky Mountains in North America, Dendragapus obscurus.

Melaniparus funereus, a small bird of the tit family Paridae

plural of dusky-blue