Eagle On Beach Rocks
I have never seen a Bald Eagle behave like a Great Blue Heron. These birds were grabbing fish near shore and returning to rocks to eat.
Two Rock Hearts
These are a real tourist attraction - multiple parking lots charging different rates, vending machines nearby and lots of tourists. The kids got the heart idea from other people doing the same thing.
So you are a tiny kelp seed (what do those look like?) You attach to a massive hard thing. How would you know a few months later you would be big enough to lift that massive hard thing.