This vintage-style natural history design presents a detailed field-guide collection of North American owls, including Long-eared, Short-eared, Snowy, Barn, Great Horned, Eastern Screech, and Northern Saw-whet Owls. The retro scientific illustration features earthy browns, creams, blacks, and muted greens, celebrating accurate bird identification and classic natural-history artwork; a geologic period is not applicable to this modern birdlife design. Made from lightweight 100% ring-spun cotton with a soft, sensory-friendly feel. Every order funds kelp restoration on the Pacific Northwest coast.