It's fortunate that their link is telepathic. Otherwise, they might be waiting for Eve's return.

"... Two kids. There's a crevice they've taken refuge in beneath the rubble." So, they were going to have to figure out a way to go in themselves. "Eve could heal them, but we still have to provide a safe way out."

And she says 'could' because, if the children didn't like snakes, that would complicate the process.