I’ve been looking up about Orcas, and I realized, how the hell do fish know where they are going in the middle of the ocean when there are no physical markers? It’s just water in every direction and depths so deep you cant see the bottom. I need google maps and I’ll still get lost. Is it something about magnets?
In: Biology
Some salmon have awful navigation. Chum salmon are famous for spawning in people’s driveways and flower beds during floods. Salmon are tricky, but they are not geniuses.
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