Hawks circle when they are looking for prey and they also look like they are circling when they are actually riding the warm thermals in the atmosphere. Some of what you might think are hawks could actually be turkey vultures or black birds.
*Improvement*
Mainly buteos do soaring, as their wide wings enable them to glide without a single flap of the wing. Vultures will circle on warm thermals, and doves can catch the wind and briefly glide. Swallows and martins circle and zip in the sky catching small bugs.
Chat with our AI personalities
A shape in the night sky is a star. It could also be a circle if the moon is the shape being referred to.
It looks like a big bright circle in the sky
A rainbow is a circle. What we see from almost any point on earth is a semicircle, or just a part of the rainbow. We can only see it from horizon to horizon, or just an arc of the whole rainbow. Occasionally we can see a full circle of a rainbow in the sky surrounding the sun, and sometimes multiple ones.
You draw a circle around a circle.
Its the distance from the center of the circle to the edge of the circle.