rnaturalearth
rnaturalearth finished its sp exit and is now optimising how the data actually arrives.
Comparison · Analytics
rredlist vs taxize
A side-by-side editorial comparison of rredlist and taxize — release velocity, themes, recent moves, and the top alternatives to consider.
rredlist vs taxize: at a glance
What is rredlist?
rredlist threw out its species-centric API in 1.0.0 and rebuilt around assessments.
rredlist 1.0.0 is a hard break: the IUCN Red List API moved to v4, and the package followed by dropping v3 support entirely, reorganising around assessments rather than species, renaming or removing most functions, changing returned data structures, and requiring users to generate a new API key. The two releases since are consolidation on that new shape — `rl_assessment_list()` and `rl_assessment_extract()` for retrieving and unpacking many assessments at once, a `scope` argument on the `*_latest()` functions, and NULL-safe extraction.
What is taxize?
taxize spends its releases absorbing other people's API changes, one dead source at a time.
The most recent work is migration: 0.10.0 replaced the deprecated Global Names Resolver functions with GNA equivalents (`gna_verifier`, `gna_parse`), rewrote `scrapenames` for the new API, and updated its rredlist usage to match that package's own v4 rewrite. 0.10.1 then tuned `gna_verifier`'s batch size to 50. The older entries in the window show the same shape from a different angle: `tnrs()` made defunct because the service died, COL dropped over rate limiting, NatureServe reworked for a new API, and a package-wide parameter rename to `sci` / `com` / `id` / `sci_com` / `sci_id`.
rredlist vs taxize: editorial side-by-side
rredlist
0.0ANALYTICS
rredlist threw out its species-centric API in 1.0.0 and rebuilt around assessments.
◆ Current state
rredlist 1.0.0 is a hard break: the IUCN Red List API moved to v4, and the package followed by dropping v3 support entirely, reorganising around assessments rather than species, renaming or removing most functions, changing returned data structures, and requiring users to generate a new API key. The two releases since are consolidation on that new shape — `rl_assessment_list()` and `rl_assessment_extract()` for retrieving and unpacking many assessments at once, a `scope` argument on the `*_latest()` functions, and NULL-safe extraction.
◆ Where it's heading
Post-1.0.0 work is clearly aimed at bulk use: fetch many assessments, pull a chosen field out of each. That is a different usage pattern from the one-species-at-a-time queries the v3-era functions encouraged, and it suits the conservation-analysis workloads the package is actually used for. Deprecated v3 functions are still present and flagged for eventual removal.
◆ Prediction
The deprecated v3-era functions are the obvious next thing to disappear, and further bulk-retrieval helpers are likely given both post-1.0 releases went that way.
taxize
0.0ANALYTICS
taxize spends its releases absorbing other people's API changes, one dead source at a time.
◆ Current state
The most recent work is migration: 0.10.0 replaced the deprecated Global Names Resolver functions with GNA equivalents (`gna_verifier`, `gna_parse`), rewrote `scrapenames` for the new API, and updated its rredlist usage to match that package's own v4 rewrite. 0.10.1 then tuned `gna_verifier`'s batch size to 50. The older entries in the window show the same shape from a different angle: `tnrs()` made defunct because the service died, COL dropped over rate limiting, NatureServe reworked for a new API, and a package-wide parameter rename to `sci` / `com` / `id` / `sci_com` / `sci_id`.
◆ Where it's heading
taxize's job is aggregating a dozen taxonomic databases, so most of its engineering is downstream of decisions it does not control — sources go away, endpoints change, rate limits appear. The visible trend is consolidation: fewer, better-maintained backends rather than broader coverage. Release cadence has thinned to roughly one a year, and the rredlist coupling means it now inherits that package's breaking changes too.
◆ Prediction
Expect the next release to track another upstream source change rather than add new databases; the deprecated-parameter aliases from the 0.9.97 rename are also overdue for removal.
Alternatives to rredlist and taxize
Other Analytics products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either rredlist or taxize.
writexl
writexl spent nine years refusing to do formatting, then shipped all of it in 2.0.0.
rgbif
rgbif is steadily pushing users off paged searching and onto real downloads.
rstanarm
rstanarm is community-maintained now, tracking Stan and lme4 rather than adding models.
taxa
taxa started a ground-up rewrite in 2021 and has published almost nothing since.
rotl
rotl's whole release history is keeping name matching honest against a moving taxonomy.
See all rredlist alternatives → · See all taxize alternatives →
Recent activity from rredlist and taxize
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 5mo agotaxizetaxize 0.10.1 lowers gna_verifier batch size
- 11mo agorredlistrredlist 1.1.1 extracts multiple assessment elements
- 1y agorredlistrredlist 1.1.0 adds bulk assessment retrieval and extraction
- 1y agotaxizetaxize 0.10.0 migrates to GNA and the new rredlist API
- 1y agorredlistrredlist 1.0.0 rebuilds on IUCN Red List API v4 ⚡
- 3y agorredlistrredlist 0.7.1 changes maintainer
- 5y agotaxizetaxize 0.9.99 retires tnrs(), paginates WORMS queries
- 5y agorredlistrredlist 0.7.0 adds vignette and HTTPS base URL
- 5y agotaxizetaxize 0.9.98 adds NCBI and zoological rank names
- 6y agotaxizetaxize 0.9.97 standardises parameter names package-wide
- 6y agotaxizetaxize 0.9.96 updates NatureServe for its new API
- 6y agorredlistrredlist 0.6.0 improves docs and NA handling
Frequently asked questions
What is the difference between rredlist and taxize?
They serve adjacent needs but don't currently overlap on shipped themes. rredlist and taxize are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is rredlist better than taxize?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. rredlist and taxize are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Analytics products to evaluate alongside.
What are the best alternatives to rredlist?
Top rredlist alternatives in Analytics are ranked by recent ship velocity. Browse the "rredlist alternatives" section above for the current picks, or visit /alternatives/rredlist for the full list with editorial commentary on each.
What are the best alternatives to taxize?
Top taxize alternatives in Analytics are ranked by recent ship velocity. Browse the "taxize alternatives" section above for the current picks, or visit /alternatives/taxize for the full list with editorial commentary on each.