Hierarchy classification:

1. top of the aat hierarchies
2. Agents Facet
3. Living Organisms (hierarchy name)
4. living organisms (entities)
5. Eukaryota (domain)
6. Animalia (kingdom)
7. Chordata (phylum)
8. Vertebrata (subphylum)
9. Aves (class)

Narrower term/s

• Gruidae (family)
• Otididae (family)
• Rallidae (family)[+]
  • moorhens
  • Gallinula (genus)

Anotations

Scope note:

Order containing around 210 species in 11 families including rails, coots, and moorhens. They are morphologically diverse wading and terrestrial birds ranging from small quail-like hemipodes to large long-legged cranes, marsh-inhabiting rails, swimming coots and finfoots, and cursorial bustards.