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)

Anotations

Scope note:

Order containing 141 species in two families including anis, roadrunners, and the hoatzin, with one species extinct since 1600. They are long-tailed birds with rearward or sideward facing toes, feeding on both fruits and small animals, most are arboreal but a few are terrestrial, and some are brood parasites.