SOUTHEASTERN CARIBBEAN BIRDS PHOTO GALLERY |
Trinidad and Tobago Field Naturalists' Club Southeastern Caribbean Bird Alert Trinidad and Tobago Rare Bird Committee |
IDENTIFICATION ESSAY |
Sandwich Tern (Sterna sandvicensis acuflavida) and Cayenne Tern (S. s. eurygnatha): Page 5 of 7 Page 1: Virgin Islands (variation) Page 2: Virgin Islands (hybridisation) Page 3: Aruba (hybridisation) Page 4: Tobago Page 5: Brazil Page 6: Argentina Page 7: Argentina |
The photos below were taken from a colony at Ilha Escalvada, Espírito Santo, Brazil, illustrating variability not only in bill coloration but in the colour of the eggs and nestlings. Note the incubating adult resembling a Sandwich Tern near lower right corner. Photos © by Cesar Musso. |