Saunders's Gull vs White-fronted Tern
Saundersilarus saundersi مقارنةً بـ Sterna striata
Side-by-Side Comparison
| السمة | Saunders's Gull | White-fronted Tern |
|---|---|---|
| الاسم العلمي | Saundersilarus saundersi | Sterna striata |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Vulnerable | Near Threatened |
| الطول | — | — |
| طول الجناح | 54,8 cm (21.6 in) | 54,8 cm (21.6 in) |
| الوزن | 195,0 g (6.88 oz) | 131,5 g (4.64 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1-6 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Vulnerable
Saunders's Gull
Near Threatened
White-fronted Tern
About These Birds
Saunders's Gull
Saunders's Gull, 29–32 cm, is a Vulnerable gull breeding in coastal saltmarshes of China and Korea, wintering along East Asian coasts to Vietnam. Black hood in breeding plumage, white wing-tip mirrors. Feeds on crustaceans and invertebrates in tidal mudflats. Threatened by reclamation of Yellow Sea tidal flats.
White-fronted Tern
White-fronted Tern, 35–43 cm, is New Zealand's most common tern, breeding on coastal and riverine sites throughout the islands. White forehead contrasts with black cap; orange-red bill. Piscivore; hovers and plunge-dives in coastal waters and off river mouths. Winters on Australian coasts.