function makeCreatures() {
    const results = [];

    results.push(
        makeHeightWeight([
            ["blue-whale", 4.5, "meters", 125e3, "kg"],
            ["sperm-whale", 3, "meters", 42e3, "kg"],
            ["dairy-cow", 1.7, "meters", 800, "kg"],
            ["horse", 2.08, "meters", 550, "kg"],
            ["african-elephant", 3.2, "meters", 4000, "kg"]
        ],
            "Animals",
            "",
            "food"
        ));

    results.push(
        makeHeightWeight([
            ["brachiosaurus", 13, "meters", 56e3, "kg"],
            ["pterodactyl", 2.3, "meters", 200, "kg"],
            ["stegosaurus", 4.5, "meters", 7e3, "kg"],
            ["tyrannosaurus", 5.2, "meters", 14e3, "kg"],
            ["velociraptor", 1.6, "meters", 15, "kg"]
        ],
            "Dinosaurs",
            "",
            "food"
        ));


    results.sort((b1, b2) => {
        e1 = b1.constructor();
        e2 = b2.constructor();
        return -math.subtract(e1.views[e1.defaultView].height, e2.views[e2.defaultView].height).value;
    });


    return results;
}