African Skimmer vs River Tern

Rynchops flavirostris comparado con Sterna aurantia

Side-by-Side Comparison

Atributo African Skimmer River Tern
Nombre científico Rynchops flavirostris Sterna aurantia
Orden Charadriiformes Charadriiformes
Familia Laridae Laridae
Estado de conservación Least Concern Vulnerable
Longitud
Envergadura 66,4 cm (26.1 in) 52,4 cm (20.6 in)
Peso 165,66666666666666 g (5.84 oz) 187,5 g (6.61 oz)
Dieta -- --
Tamaño de la puesta 1-5 3-4
Population Trend

Habitat Comparison

Hábitats compartidos

African Skimmer only

Ninguno

River Tern only

Ninguno

Estado de conservación

Least Concern

African Skimmer

Vulnerable

River Tern

About These Birds

African Skimmer

African Skimmer: 36–42 cm, black-and-white skimmer with a long bright orange-yellow bill where the lower mandible is longer than the upper. Flies low over large rivers and lakes, cutting the water surface with the lower bill to catch fish. Resident and partial migrant along large rivers and lakes of sub-Saharan Africa. NT.

River Tern

River Tern, 38–43 cm, is a large freshwater tern of South and Southeast Asia, found along major rivers from Pakistan to Thailand. Yellow-orange bill, grey back, black cap in breeding plumage. Piscivore; plunge-dives into clear river water. Near Threatened due to river sand-mining and disturbance.

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