African Skimmer vs Greater Crested Tern
Rynchops flavirostris مقارنةً بـ Thalasseus bergii
Side-by-Side Comparison
| السمة | African Skimmer | Greater Crested Tern |
|---|---|---|
| الاسم العلمي | Rynchops flavirostris | Thalasseus bergii |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 66,4 cm (26.1 in) | 71,6 cm (28.2 in) |
| الوزن | 165,66666666666666 g (5.84 oz) | 367,75 g (12.97 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1-5 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
African Skimmer
Least Concern
Greater Crested 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.
Greater Crested Tern
Greater Crested Tern, 43–48 cm, is the largest crested tern of the Indo-Pacific, breeding from South Africa to Japan and Australia. Yellow-green bill, prominent black crest, grey back. Colonial breeder on sand islands; plunge-dives for fish. Partially migratory; disperses across Indian and Pacific Oceans.