I recall an article that part of the prep work for shuttles landing in Florida included the usual "Foreign Object Debris" walk through to check the surface for

I recall an article that part of the prep work for shuttles landing in Florida included the usual "Foreign Object Debris" walk through to check the surface for things that might be a problem for the shuttle... but that this often included needing to wrangle alligators (sleeping in the sun on the nice warm tarmac :-)