is a cheerful thing on a sunny morning...or any time!
Clouded sulphurs are smaller than the Monarch butterflies most people know. Their wing span may reach 2" but mostly they are petite and compact. You can find them just about anywhere there is a good mix of flowers, including your own yard but they are especially plentiful right now in open field areas.
You can read more here about the life history, habits and habitat needs of the clouded sulphur