Birds aren't affected by capsaicin (the compound that gives peppers their spice), so doing this will ensure that only birds will hang around.
Forces your neighbors and people driving by to pay attention and will give more visibility than a traditional sign posted on a light/electrical pole.
In case of an emergency like a house fire, you can easily check your pets' favorite hiding spots.
Red dye #40, named Allura Red AC, is petroleum based. Initially it was made from coal tar, but now made mostly from petroleum. It puts stress on the kidneys as it comes out red in their waste indicating that it never gets metabolized. Opt instead for using pure cane sugar with a ratio of 1 part sugar to 4 parts water.
Don't scold them and use it as an indicator to get them help from a vet.