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redlist: Interface to the IUCN Red List Data with Risk Metrics

Access species conservation data from the International Union for Conservation of Nature (IUCN) Red List API <https://api.iucnredlist.org/api-docs/index.html>, including assessments, taxonomy, threats, habitats and historical status. The package also reconciles taxonomic names between the IUCN Red List and the Global Biodiversity Information Facility (GBIF), retrieves and checks GBIF occurrence records, and computes the range and population metrics of the IUCN Red List Categories and Criteria (IUCN Standards and Petitions Committee, 2024, <https://cmsdocs.s3.amazonaws.com/RedListGuidelines.pdf>): extent of occurrence and area of occupancy for criterion B, and population reduction for criterion A.

Version: 0.3.0
Depends: R (≥ 3.6.0)
Imports: cli (≥ 3.6.3), dplyr (≥ 1.1.4), httr2 (≥ 1.1.2), magrittr (≥ 2.0.3), methods, rlang (≥ 1.1.0), rvest (≥ 1.0.4), stats, utils
Suggests: CoordinateCleaner (≥ 3.0.0), ggplot2 (≥ 3.5.2), kableExtra (≥ 1.4.0), knitr (≥ 1.50), rgbif (≥ 3.7.0), rmarkdown (≥ 2.29), scales (≥ 1.4.0), sf (≥ 1.0.0), testthat (≥ 3.0.0)
Published: 2026-09-04
DOI: 10.32614/CRAN.package.redlist
Author: Stanislas Mahussi Gandaho ORCID iD [aut, cre], R Consortium [fnd]
Maintainer: Stanislas Mahussi Gandaho <stangandaho at gmail.com>
BugReports: https://github.com/stangandaho/redlist/issues
License: MIT + file LICENSE
URL: https://github.com/stangandaho/redlist, https://stangandaho.github.io/redlist/
NeedsCompilation: no
Materials: README, NEWS
CRAN checks: redlist results

Documentation:

Reference manual: redlist.html , redlist.pdf
Vignettes: Retrieving Species Occurrence Data and IUCN Red List Status for Protected Areas (source, R code)
Population reduction (IUCN Criterion A) (source, R code)
IUCN red list data visualisation (source, R code)
Extent of occurrence and area of occupancy (IUCN criterion B) (source, R code)
Plot Gallery (source)
Get IUCN red list data with redlist R package (source, R code)
From a species name to Criterion B metrics (source, R code)
A Portrait of Extinction (source, R code)

Downloads:

Package source: redlist_0.3.0.tar.gz
Windows binaries: r-devel: redlist_0.2.0.zip, r-release: redlist_0.2.0.zip, r-oldrel: redlist_0.2.0.zip
macOS binaries: r-release (arm64): redlist_0.2.0.tgz, r-oldrel (arm64): redlist_0.2.0.tgz, r-release (x86_64): redlist_0.2.0.tgz, r-oldrel (x86_64): redlist_0.2.0.tgz
Old sources: redlist archive

Linking:

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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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