African Skimmer vs Royal Tern
Rynchops flavirostris เปรียบเทียบกับ Thalasseus maximus
Side-by-Side Comparison
| คุณสมบัติ | African Skimmer | Royal Tern |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Rynchops flavirostris | Thalasseus maximus |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 66.4 cm (26.1 in) | 72.7 cm (28.6 in) |
| น้ำหนัก | 165.66666666666666 g (5.84 oz) | 402.3333333333333 g (14.19 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1-5 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
African Skimmer
Least Concern
Royal 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.
Royal Tern
Royal Tern, 45–50 cm, is a large, powerful tern of American and West African coasts. Orange bill, shaggy black crest (full only briefly in spring), pale grey mantle. Piscivore; plunge-dives from 10 m for mullet and menhaden. Nests in dense colonies; often seen loafing on beaches year-round.