The bird orders, by species richness

Order	Species
Passeriformes	410
Charadriiformes	148
Anseriformes	123
Psittaciformes	60

Run this query → no server · no download · no account

caviri.github.io/rete

Run this query in the playground → 31 rows · 20 ms · no server, no download — the query runs in your browser.

The query

PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX dwc: <http://rs.tdwg.org/dwc/terms/> PREFIX v: <https://w3id.org/rete/gbif/vocab#> SELECT ?order (COUNT(DISTINCT ?sp) AS ?n) WHERE { ?sp dwc:taxonRank "species" ; rdfs:subClassOf+ ?o . ?o dwc:taxonRank "order" ; rdfs:label ?order . } GROUP BY ?order ORDER BY DESC(?n)

rete playground · documentation · github.com/caviri/rete