Caspian Tern (Hydroprogne caspia) is a species in the order Charadriiformes, family Laridae. Nidatlas records 25,560 occurrences of this species across the Iberian Peninsula — Portugal, Spain, and the Azores, Madeira, the Canary Islands and the Balearics — ranking it #227 of 584 species by total records. This page shows its seasonal pattern, geographic distribution down to a 10km grid cell, and position in the bird tree of life.

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