You need to use any type of mirror as a crow deterrent — suppose a rest room or dressing desk mirror on the smaller facet. Ideally, search for a mirror with a plastic or painted steel body. In 2003, researchers on the College of Nebraska-Lincoln discovered that birds significantly shied away from pink mirrors, so you may additionally attempt to seek out red-hued mirrored glass. If the body is wooden, paint or stain it with an outside end. Then, merely grasp the mirror at about (human) eye degree above or close to the greens you are aiming to guard. You can even grasp different reflective objects rather than a mirror, like outdated CDs, reflective tape, or aluminum foil.
Nonetheless, be cautious as a result of birds, together with crows, typically fly into mirrored surfaces throughout mating season. They mistake their very own reflection for a rival. This occurs most in spring and early summer season, so attempt to keep away from hanging mirrors round this time or disguise the mirror by hanging it behind a trellis. Mirrors additionally replicate the solar, which generally is a fireplace threat, so preserve this in thoughts when deciding on placement. Keep away from inserting your mirror close to chicken feeders or birdhouses — they’ll scare away the birds you wish to entice. And keep in mind, over time, crows will get used to this new intrusion into their atmosphere; they’re going to not be cautious of it. The mirror trick works finest together with different strategies designed to rid your backyard of pesky birds.