Northern Storm-Petrels

Hydrobatidae

Both the Leach’s Storm-Petrel Hydrobates leucorhoa and Tristram’s Storm-Petrel H. tristami are listed as vagrants, whereas Matsudaira’s Storm-Petrel H. matsudaire and Swinhoe’s Storm-Petrel H. monorhis are non-breeding migrants. All are small, tube-nosed seabirds, with long legs and rounded wings.