{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "TaxonPhoto",
  "allOf": [
    {
      "$ref": "#/definitions/Photo"
    },
    {
      "type": "object",
      "properties": {
        "medium_url": {
          "type": "string"
        },
        "square_url": {
          "type": "string"
        }
      }
    }
  ]
}