Properties of Metalloids-What are the Physical Properties of Metalloids? What are the Physical Properties of Metalloids? The Physical properties of Metalloids are the characteristics that can be observed without changing the substance of the elements in a group into other substances.hat are the Physical Properties of Metalloids? The Physical properties of Metalloids are the characteristics that can be observed without changing the substance of the elements in a group into other substances.
Quick Answer. Hummingbirds fly backwards, and they are the only birds capable of doing so. When using this unique ability, hummingbirds may reach speeds of 25 to 30 mph as they go. These birds have flexible wings that they can rotate in swift circles to help fly in reverse.
They drink the flower nectar and are the only bâ¦ird that can fly backwards. A tiny bird with muscles that can make it fly in any direction and stay in one spot while drinking nectar. They are very fast and feed off of bugs also.    I assume that you were referring to a Hummingbird. Hummingbirds are birds comprising the family Trochilidae. They are among the smallest of birds, and include the smallest extant bird species, the Bee Hummingbirds.