"In a store, people pointed their smartphones at the surveillance camera without explanation, and then left. The reason for this was a nest that birds built right on top of this device."
“But after looking it up on the internet, I figured out that this is an egg from a skate that lives in the Black and Mediterranean seas.”
"A snail decided to give a ride to a bee with one wing and broken legs."
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They are. My best guess would be that these are eggs from a collared dove.