Larus cachinnans
Chroicocephalus novaehollandiae
Larus armenicus
Chroicocephalus scopulinus
Larus michahellis
Larus vegae
Larus smithsonianus
Real Name is The Silver Gull (Chroicocephalus novaehollandiae)
Sterna caspia
The scientific or taxonomic name would be Larus californicus.
The scientific or taxonomic name would be Larus pipixcan.
The scientific or taxonomic name would be Larus argentatus.
The scientific or taxonomic name would be Larus delawarensis.