Birds
Caspian Tern, Hydroprogne caspia

Caspian Tern

Caspian Tern

50
20 hours ago
Spotted
The largest tern in the world, recognizable by its impressive size, shaggy black cap, and massive, bright red bill. It's a powerful and skilled angler of fish.
Where to spot
Found on all continents except Antarctica, breeding on coastlines, large lakes, and estuaries. Winters in warmer coastal and inland waters.
How to spot
Identify by its immense size (nearly gull-sized), large bright red bill with a dark tip, and shaggy black cap. Its call is a deep, hoarse "karr-ahh" or "kraaah." Look for its powerful flight and characteristic plunge-diving behavior.
When to spot
Best observed during the breeding season (spring to summer) at nesting colonies or during migration along major waterways and coastlines.
Caspian Tern, Hydroprogne caspia
Caspian Tern, Hydroprogne caspia
Credits: f_snarfel
The Caspian Tern's diet consists almost entirely of fish, which it catches by plunge-diving from considerable heights, often carrying quite large fish in its formidable bill.
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Spotted

Recently spotted
805 (Seen in the last 3 months)
Last spotted
20 hours ago

Monthly observations

1 observation
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Simeon
Simeon
11 months ago
Caspian Tern
Eanjum, Fryslân
Spotted Caspian Tern
Spotted Caspian Tern
+65
Lifer
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