gulls are proof that a) there is a god and b) that god enjoys the pain and suffering of birders
those are all different species. there are many places where you could potentially see any (or at least most) of them at a given time!
and that’s just the adults
short-billed gull, Larus brachyrhynchus
Iceland gull, Larus glaucoides
California gull, Larus californicus
glaucous gull, Larus hyperboreus
ring-billed gull, Larus delawarensis
glaucous-winged gull, Larus glaucescens
American herring gull, Larus smithsonianus
western gull, Larus occidentalis
lesser black-backed gull, Larus fuscus
great black-backed gull, Larus marinus
(to be clear, i am terrible at gull ID in the field, but OP used the first picture on ebird for each species, which made it easy to reverse image search them and find which ebird page they’re on.)
