paper-texture-grey.webp: WebP copy of “Grey-paper,” Bawolff, public domain. Source: https://commons.wikimedia.org/wiki/File:Grey-paper.png
rough-concrete-cc0.webp: WebP copy of “Rough Concrete,” Dimitrios Savva / Poly Haven, CC0. Single full-bleed porous material plate used by the Icteridae issue. Source: https://polyhaven.com/a/rough_concrete
assets/references/sparrow-blossom-single-v2.webp and assets/references/sparrow-blossom-pair-v2.webp: WebP copies of matched project-generated botanical plates. The single face-on blossom anchors the upper-left; the joined two-blossom stem resolves the lower-right text corner. Both receive the same live duotone/AM-screen renderer as the bird.