{
  "taxon_key": "itis:1255050",
  "slug": "itis-1255050",
  "scientific_name": "Ardenna grisea",
  "common_name": "Sooty Shearwater",
  "rank": "Species",
  "rank_order": 43,
  "taxonomic_status": "accepted",
  "status_checked": "2026-08-06",
  "parent_taxon_key": "itis:1255018",
  "lineage": {
    "kingdom": "Animalia",
    "phylum": "Chordata",
    "class": "Aves",
    "order": "Procellariiformes",
    "family": "Procellariidae"
  },
  "ids": {
    "worms_id": 137202,
    "itis_id": 1255050,
    "gbif_id": null,
    "ncbi_id": null,
    "inat_id": null
  },
  "groups": [
    "calcofi:seabirds"
  ],
  "notes": "2026-08-05: worms_id 137202 via WoRMS TSN crosswalk (status accepted); itis:174553 deprecated in ITIS -> itis:1255050 (Ardenna grisea)",
  "direct": {
    "n_obs": 4450,
    "n_samples": 4450,
    "n_datasets": 1,
    "year_min": 1987,
    "year_max": 2022,
    "life_stages": []
  },
  "rollup": {
    "n_obs": 4450,
    "n_taxa": 1,
    "n_species": 1,
    "n_datasets": 1,
    "year_min": 1987,
    "year_max": 2022
  },
  "datasets": [
    {
      "dataset_key": "farallon_bird-mammal",
      "n_obs": 4450,
      "n_samples": 4450,
      "year_min": 1987,
      "year_max": 2022,
      "life_stages": [],
      "years": {
        "1987": 155,
        "1988": 170,
        "1989": 252,
        "1990": 239,
        "1991": 90,
        "1992": 229,
        "1993": 103,
        "1994": 26,
        "1995": 121,
        "1996": 171,
        "1997": 125,
        "1998": 365,
        "1999": 100,
        "2000": 124,
        "2001": 140,
        "2002": 114,
        "2003": 149,
        "2004": 77,
        "2005": 103,
        "2006": 68,
        "2007": 48,
        "2008": 6,
        "2009": 90,
        "2010": 98,
        "2011": 82,
        "2012": 87,
        "2013": 107,
        "2014": 66,
        "2015": 211,
        "2016": 245,
        "2017": 118,
        "2018": 98,
        "2019": 100,
        "2020": 2,
        "2022": 171
      },
      "sources": [
        {
          "name": "Ardenna griseus",
          "common_name": "Sooty Shearwater",
          "code": "SOSH",
          "ids": {
            "worms_id": null,
            "itis_id": 174553,
            "gbif_id": null
          },
          "flags": [
            "synonym",
            "rekeyed"
          ]
        }
      ]
    }
  ]
}