It is an insect called a butterfly. It has 2 wings with large tops on the wings and small parts of wings at the bottom. The wings are connected onto the body in the center.
This Butterfly icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,700 icons, all in the same style and quality.