Nocturnal or crepuscular gulls?

So in this seaside hotel resort I live at, the majority of the gulls there are laughing gulls while there’s also herring, ring-billed and black-backed gulls there too. Throughout most of the day, especially in summer, the laughing gulls are usually the ones seen while in the later and darker hours and throughout the night, there are mostly or just herring gulls there. Are the herring gulls starting not to tolerate all the activity during the day? Do they not like dealing with the laughing gulls? What’s the reason why I’m starting to notice this?

Maybe they are out fishing for the day then flock together on the beach to sleep?

They likely flock there to roost at night, and are out foraging at other sites during the day. I don’t think this pattern is reflective of any inter-species conflict or anything.

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Welcome to the forum!

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That could be the case but I see a lot of them hanging out on the board walk roaming around and surfing the waves at night.

Could light pollution be causing them to stay awake at night instead of roosting?

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