alcidine

< /ˈæl sɪˌdaɪn/. of, pertaining, or belonging to the family Alcidae, comprising the auks, murres, puffins, etc.

noun

2. a bird of the family Alcidae.

adjective

1. of, relating to, or belonging to the Alcidae, a family of sea birds including the auks, guillemots, puffins, and related forms