Not all spiders have websites. Ambush hunters hang out, waiting for lunch to land next to them. Sometimes they even blend in with the flowers and buds they hide on. Then, when a fly or be comes too close - watch out! - the spider lunges.
What sort of spiders do you see stalking prey, waiting for fly-by take-out, or otherwise hunting for their meals? Grab your field journal and something to draw with and head out to Spy on Spiders.