Occurrence Download

A dataset containing 3001615 species occurrences available in GBIF matching the query:
{
"and" : [
{
"and" : [
"HasGeospatialIssue is false",
"HasCoordinate is true",
"OccurrenceStatus is Present",
{
"not" : {
"BasisOfRecord" : [
"is one of (Fossil, Living Specimen)"
]
}
}
]
},
"TaxonKey is Sayornis nigricans (Swainson, 1827)",
"Year is greater than or equal to 1950",
{
"or" : [
"GadmGid is USA",
"GadmGid is CAN",
"GadmGid is MEX"
]
}
]
}

The dataset includes 3001615 records from 78 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0028205-250426092105405/datasets/export for details.

Data from some individual datasets included in this download may be licensed under less restrictive terms.

本数据集包含收录于全球生物多样性信息设施（GBIF，Global Biodiversity Information Facility）、符合以下查询条件的3001615条物种出现记录：
需同时满足以下全部条件：
1. HasGeospatialIssue 为 false（无地理空间问题）；
2. HasCoordinate 为 true（存在有效坐标信息）；
3. OccurrenceStatus 为 Present（出现状态为存在）；
4. 排除 BasisOfRecord 属于 Fossil（化石）或 Living Specimen（活体标本）的条目；
且需额外满足：
- TaxonKey 对应物种 Sayornis nigricans (Swainson, 1827)（黑霸鹟）；
- Year 大于或等于1950年；
- GadmGid 为 USA（美国）、CAN（加拿大）或 MEX（墨西哥）三者之一。

本数据集共计包含来自78个组成数据集的3001615条记录，详细数据集信息可参阅链接：https://api.gbif.org/v1/occurrence/download/0028205-250426092105405/datasets/export。

本次下载所包含的部分独立数据集，其授权使用条款可能较为宽松。