GULLS, TERNS and SKIMMERS

GULLS

Ring-billed Gull (Seen in The Woodlands, TX)

Ring-billed Gull This bird has a ring that goes around its bill and dark legs (compare with pink legs and partial ring of herring gull)
Laughing Gull
Laughing Gull, breeding colors Laughing Gull, winter colors (note dark legs and eye crescents of this bird.)
Herring Gull
Herring Gull Herring Gull, immature
TERNS
Caspian Tern (Seen in The Woodlands, TX)
Caspian Tern - Winter colors Caspian Tern - Summer colors
Forster's Tern (Seen in The Woodlands, TX)
Forster's Tern - Winter colors Forster's Tern - Winter colors
Royal Tern 
 
Royal Tern