{
  "taxon_key": "itis:176817",
  "slug": "itis-176817",
  "scientific_name": "Larus occidentalis",
  "common_name": "Western Gull",
  "rank": "Species",
  "rank_order": 43,
  "taxonomic_status": "accepted",
  "status_checked": "2026-08-05",
  "parent_taxon_key": "itis:176803",
  "lineage": {
    "kingdom": "Animalia",
    "phylum": "Chordata",
    "class": "Aves",
    "order": "Charadriiformes",
    "family": "Laridae"
  },
  "ids": {
    "worms_id": 343916,
    "itis_id": 176817,
    "gbif_id": null,
    "ncbi_id": null,
    "inat_id": null
  },
  "groups": [
    "calcofi:seabirds"
  ],
  "notes": "2026-08-05: worms_id 343916 via WoRMS TSN crosswalk (status accepted)",
  "direct": {
    "n_obs": 9176,
    "n_samples": 9176,
    "n_datasets": 1,
    "year_min": 1987,
    "year_max": 2022,
    "life_stages": []
  },
  "rollup": {
    "n_obs": 9176,
    "n_taxa": 1,
    "n_species": 1,
    "n_datasets": 1,
    "year_min": 1987,
    "year_max": 2022
  },
  "datasets": [
    {
      "dataset_key": "farallon_bird-mammal",
      "n_obs": 9176,
      "n_samples": 9176,
      "year_min": 1987,
      "year_max": 2022,
      "life_stages": [],
      "years": {
        "1987": 277,
        "1988": 423,
        "1989": 328,
        "1990": 287,
        "1991": 257,
        "1992": 323,
        "1993": 268,
        "1994": 151,
        "1995": 275,
        "1996": 72,
        "1997": 250,
        "1998": 463,
        "1999": 148,
        "2000": 249,
        "2001": 347,
        "2002": 291,
        "2003": 429,
        "2004": 476,
        "2005": 484,
        "2006": 331,
        "2007": 249,
        "2008": 130,
        "2009": 103,
        "2010": 256,
        "2011": 246,
        "2012": 205,
        "2013": 328,
        "2014": 273,
        "2015": 254,
        "2016": 222,
        "2017": 213,
        "2018": 152,
        "2019": 154,
        "2020": 126,
        "2022": 136
      },
      "sources": [
        {
          "name": "Larus occidentalis",
          "common_name": "Western Gull",
          "code": "WEGU",
          "ids": {
            "worms_id": null,
            "itis_id": 176817,
            "gbif_id": null
          },
          "flags": []
        }
      ]
    }
  ]
}