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Pesticides and chemicals
Domestic & feral cats
Habitat loss
Building & window collisions
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These UV coated decals help birds see windows so they don't fly into them.
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Placing the decals no more than 2 ft. apart (ideally 2-4 inches) will help birds see them and avoid flying near the window.
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Prevent birds from hitting windows when approaching feeders by placing them at least 30 feet away from the window.
Window screens or a light net placed 2-3" from a window will prevent a bird from getting hurt seriously if it collides with it.
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Habitat: grow more native plants that provide berries and seeds for birds.
Cats: keep cats indoors.
Pesticides: avoid using chemicals in your yard.