| Species: | Sandwich Tern (Sterna sandvicensis) |
| Location: | Kartong
, West Division
, The Gambia
Click to view sighting map |
| Running From: | 2011 to present |
| Ring Type: | Legring: Engraved colour rings |
| Colour Combination: | White with black text; 3 digit alphanumeric code " |
Researchers working at Kartong Bird Observatory in The Gambia have been colour marking Sandwich Terns (Thalasseus sandvicensis) with white, engraved colour rings to determine their migration patterns and fidelity to wintering sites.
White with black text; 3 digit alphanumeric code "G"+"2 digit number"; on left tarsus
