Abstract: The rodent whisker system is a widely used model to study the sense of touch. Its neuroanatomy parallels that of the human, but its mechanics are vastly simplified compared to that of the human tactile system. Just like other modalities with complex sensor accessory structures, the geometry, mechanics, and material properties of the whiskers will highly affect the data a rat can acquire through these sensors. In the present work, we provide a detailed characterization of the geometry and mechanics of the whisker at both the level of individual whiskers, as well as the morphology of the entire whisker array. We perform a meta-analysis of seven studies, with over 500 rat whiskers, to show key relationships between geometric and mechanical parameters of individual whiskers. We also improve our existing model of the rat whisker array by developing normalized parameters that are applicable to whiskered species regardless of the number and arrangement of whiskers. Using these normalized parameters, we quantify the whisker arrays of the rat, mouse, and harbor seal, and draw comparisons between the three species.