Determine Meaning of 'Precious' in Context

In a vibrant garden full of colorful flowers, Maya discovered a solitary bluebird perched on a low branch. Its feathers shone like precious gems against the rich greenery. She marveled at how the bird seemed to radiate delight, singing cheerfully as if it had no worries in the world. Intrigued, Maya sat quietly on a nearby bench to observe the scene, feeling a wave of tranquility wash over her. The fluttering of a few nearby butterflies caught her attention, gently dancing in the warm sunlight, adding to the serene atmosphere of this idyllic spot.