Stones painted as strawberries when put around strawberry plants in the spring will keep birds from eating your ripened berries. Birds experience the stones first and will think the ripened berries are rocks.
This is one way to keep your tent up out of rain puddles, but probably pretty sketchy in a windstorm. Suspended tent, can be made from old trampoline or similar hoop. - Floating Round Hanging Bed With Waterproof Tent For Camping Or Outdoor Use