Common terns
Ghost crab (eats the nesting birds' eggs)
Laughing Gull
Sandwich tern
Comparison of Royal Tern (yellow/orange bill) and Sandwich Tern (Black bill w yellow tip)
While we were watching the birds were disturbed and left their nests in soaring formations
Oystercatcher with (look closely) an antenna attached to its back!
A comparison of Common Terns (back) and Least Terns (foreground)