{
  "params": {
    "species": {
      "type": "choice",
      "options": [
        "grass",
        "adder"
      ],
      "default": "grass",
      "label": "Species",
      "describe": "grass = grass snake (Natrix): slender, olive with a yellow and black collar behind the head, black flank bars, round pupils. adder = European adder (Vipera berus): stouter, a broad flat head, a dark zigzag down the back, a dark V on the head and red eyes with slit pupils."
    },
    "colour": {
      "type": "choice",
      "options": [
        "natural",
        "pale",
        "dark"
      ],
      "default": "natural",
      "label": "Colour",
      "describe": "natural = the usual colours (olive grass snake, brown adder). pale = a grey-green grass snake or a silver-grey male adder with a black zigzag. dark = a dark olive grass snake or an almost black (melanistic) adder."
    },
    "size": {
      "type": "range",
      "min": 0.6,
      "max": 1.25,
      "step": 0.05,
      "default": 1,
      "label": "Size",
      "describe": "Uniform scale. 1 is a 95 cm grass snake or a 90 cm adder; 0.6 is a young one about 55 cm long; 1.25 is a big female of 1.2 m."
    }
  },
  "presets": {
    "grass snake": {
      "species": "grass"
    },
    "adder": {
      "species": "adder"
    },
    "silver adder": {
      "species": "adder",
      "colour": "pale"
    },
    "young grass snake": {
      "species": "grass",
      "size": 0.6
    }
  },
  "night": null
}