Bird slide:
My understanding is that seagulls are inedible for humans.
“...seagulls are inedible for humans...”
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A hungry human will eat anything, including other humans.
https://birdwatchingpro.com/can-you-eat-seagulls/
"While the simple answer is yes, it is not advised to eat seagulls, especially not urban seagulls. Do not eat seagull meat unless you have no other options."
If you do have to eat seagulls, and only if you have to, then here’s the safest way to prepare the meat.
Rinse the gull’s fillets in saltwater
Soak the fillets in vinegar. Leave them to soak for at least two hours.
From there, you can fry the fillets.
But, it is essential that we stress that eating seagulls is not advised at all and should not be done if you can help it.
Seagull meat tastes vile. It has an oily and gamey texture that is not pleasant to eat at all. What’s more, the seagull is not a meaty bird and will not offer much meat at all. Do not expect to yield meat like you would turkey or chicken. "
And since we are on this subject, pretty much the same applies to City pigeons!
https://ask.metafilter.com/114188/Can-I-eat-a-city-pigeon
"You may want to chat with the Pigeon Guy. Their comment on health:
"There are over sixty bacterial diseases, viruses, funguses and parasites associated with pigeons. The most problematic for humans would be Histoplasmosis and Cryptococcus. In addition there are: Trichomonisasis, Encephalitis, Meningitis, Pasteurellosis, Blastomycosis, Sarcosporidiosias, Toxoplasmosis, Candidiasis, Lisreiosis, Vibriosis, Salmonella and Paratyphoid. The National Institute of Health has reported a potentially blinding eye condition that probably results from the fungus. In some areas such as parts of Illinois, up to 80% of the population is reported to have been infected at some point."
Slide over.
Maybe because they taste like fish. I know that pelicans have a very fishy and oily meat.
That is BS, not only are they edible, they taste alot like Bald eagle and Spotted Owl.