request_gbif() now checks for GBIF credentials and returns a clear error pointing to set_gbif_credentials() if missing, instead of an uninformative error from rgbif.
Clarify in the documentation that TRUE/FALSE semantics are consistent across all flagging functions: TRUE means the record passed the test and is eligible for retention.
Standardize terminology to “specialists’ range information” across function documentation.
Clarify in bien_here() that BIEN range polygons are derived from ecological niche models, unlike the taxonomist-curated data from IUCN, WCVP, florabr, and faunabr.