Transparent setup | Scope | Installation | Package overview | Terrestrial example: Panthera tigris | Inspect the taxon concept | Download occurrences | Build the range map | Marine example: Delphinus delphis | Available ecoregions | Local example: custom ecoregions with make_ecoreg() | Large downloaded GBIF tables | Next steps | References

Transparent setup | Scope | Why the workflow is split into two steps | Example data | Step 1: split the downloaded table by species | Step 2: build ranges sequentially from disk | The built-in ecoregion shortcut | A production-style terrestrial batch | Inspect one species file before building ranges | Step 3: read and inspect the saved ranges | Practical advice | Take-home message | References

Transparent setup | Scope | Why taxonomy comes first | Count before download | Strict versus permissive name matching | Credential-free GBIF retrieval | Credential-based retrieval with occ_download | A terrestrial large-extent example | Post-download thinning with obs_filter() | Explicit tiling workflows | Reproducible GBIF citation | Take-home message | References

Transparent setup | Scope | How get_range() works | A minimal offline example | Packaged versus custom ecoregions | A broad terrestrial workflow: Panthera tigris | A finer regional workflow: Arctostaphylos alpinus in the Alps | Tuning the main range arguments | Evaluation workflows | Take-home message | References

Scope | Online data retrieval | Figure 1a (left) — Custom ecoregion range: Arctostaphylos alpinus | Figure 1a (right) — Packaged ecoregion range: Panthera tigris | Figure 2a–b — Cross-validation of ecoregion-constrained ranges | Figure 2c–d — Evaluation against external validation data | Figure 3 — Global richness comparison and correlation | References