Swamped

You could release the beacon bugs. These little guys are bottled up together, but as soon as the bottle is broken or cracked, all of them fly outwards in different directions to lay their eggs, leaving an easy to follow trail behind them. They're great for making a rallying point but...everyone can see them, even things you might not want to, and it's not like you have a bunch on hand. They're typically reserved for gathering folks together for shelter during sandstorms...you think this might be how Rider first found the Greblings. Maybe if Simone saw the beacon bugs she'd come back from wherever she was...

But that's a little drastic...but maybe that's what you need...oh but...geeze you wish that bird would stop making all that noise!!!

Oh. That's not a bird.