Meaning: Birds are able to fly higher than the clouds.
Choice of Words: Birds are animals with wings that allow them to fly. They can fly high in the sky. Above means higher than something else.
Alternative Expressions
The birds are soaring high in the sky.
Meaning: This means that the birds are flying effortlessly at a great height in the sky.
Choice of Words:Soaring means to fly at a high altitude with little effort. High means being far above the ground. Sky is the space above the earth and clouds.
The feathered creatures glide through the heavens.
Meaning: This means that the birds, with their beautiful feathers, move gracefully through the sky without flapping their wings.
Choice of Words:Feathered means having feathers, which are a unique feature of birds. Creatures is a general term for animals. Glide means to move smoothly through the air without flapping wings. Heavens is a poetic term for the sky.