Chroicocephalus novaehollandiae
Real Name is The Silver Gull (Chroicocephalus novaehollandiae)
Larus cachinnans
Larus armenicus
Chroicocephalus scopulinus
Larus michahellis
Larus vegae
Larus smithsonianus
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.
The scientific or taxonomic name would be Larus marinus.