- Version
- Download 38
- File Size 460.93 KB
- File Count 1
- Create Date September 30, 2023
- Last Updated March 31, 2025
Ringing in the changes: Sandwich terns in South Africa
alpha-numeric code bird behaviour bird ringing bird sightings breeding sites British Isles camera cape agulhas colour rings Eerste River mouth engraved rings false bay field-readable flag rings Gansbaai Greenways beach Macassar metal rings migration national ringing organizations non-breeding Sandwich terns telescope Thalasseus sandvicensis Theuns Kruger