Belcher's Gull vs Aleutian Tern
Larus belcheri से तुलना Onychoprion aleuticus
Side-by-Side Comparison
| विशेषता | Belcher's Gull | Aleutian Tern |
|---|---|---|
| वैज्ञानिक नाम | Larus belcheri | Onychoprion aleuticus |
| गण | Charadriiformes | Charadriiformes |
| कुल | Laridae | Laridae |
| संरक्षण स्थिति | Least Concern | Vulnerable |
| लंबाई | — | — |
| पंखों का फैलाव | 73.0 cm (28.7 in) | 52.4 cm (20.6 in) |
| वजन | 642.5 g (22.66 oz) | 104.88 g (3.70 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Least Concern
Belcher's Gull
Vulnerable
Aleutian Tern
About These Birds
Belcher's Gull
Belcher's Gull, 49–52 cm, is endemic to the Humboldt Current coast of Peru and northern Chile. Black mantle, white body, yellow bill with red and black band. Piscivore and scavenger; closely associated with fishing ports and anchovy-rich upwelling waters. Resident along its narrow coastal range.
Aleutian Tern
Aleutian Tern, 32–34 cm, breeds colonially in Alaska and Russian Far East, wintering in Southeast Asian waters — one of the most poorly tracked migrations among seabirds. Dark grey above, white below, black cap with white forehead. Piscivore; dives for small fish. Near Threatened.