NPSpecies

Park Species Detail: Amerson et al. states this is a common migrant seen on all islands, with an estimated population of about 900. Most were seen singly or in pairs on sandy or rocky beaches, also at the Pago Pago airport at Tutuila, and on the dirt and grass runways on Ofu and Ta'u islands.This species was also seen in mangrove forest and littoral forest habitats, and were slightly more abundant in summer than in winter., Park Species Data Source: NATUREBIB-138047, Amerson et al. 1982