Art Nouveau peacock poster with flowing floral tail

An Art Nouveau poster for a fantastical creature sanctuary. Depicting a majestic, stylized peacock with iridescent, flowing tail feathers that morph into intricate floral patterns and elegant curves. A serene, ethereal landscape forms the background, with delicate, decorative borders. Style: Art Nouveau illustration, emphasizing organic forms and decorative beauty, reminiscent of artists like Aubrey Beardsley and Louis Comfort Tiffany.