Field book of North American mammals 1928. North America Woods Hole Mammals Zapus hudsonius, This illustration features two views of a hibernating jumping mouse (Zapus hudsonius). The upper section shows the mouse curled up in a compact position, resembling a small, furry ball, while the lower section captures it in a slightly more relaxed pose, with its tail coiled around its body. Both views emphasize the mouse's small size and unique fur texture, highlighting its adaptation to hibernation. The presentation is enhanced with a clean, minimalistic design that includes descriptive text detailing the species.