Wruum's species were an avian-descended species with owl-like features, a pointed beak, and at least one individual having downy azure feathers carpeting the scalp. Descended from seabirds, they had a strong nautical tradition. A sign of alarm was hooting shrilly.

In 2370, a member of the species, Ensign Wruum, was recently transferred to the USS Enterprise-D from the USS Ephrata and took position at the conn. Later on she joined the rescue mission to save a Pakled ship that was hit by a quantum filament. (ST novella: Work is Hard)

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