Seltjarnarnes prides itself with the amazing bird life within the town limits. The biggest bird area is within the West Area, by Grótta and Bakkatjörn.
About 106 different bird species have stayed in the area for shorter or longer time periods. Over half of the bird population is Icelandic layer birds. Among the "guests" is the tern, the goose, the duck, and the eiderduck. The coastline and beaches of Seltjarnarnes is also occupied with a variety of bird life and unique flora. By Bakkatjörn is a bird watching shed which allows bird watchers a unique opportunity to study and photograph the rich bird life.