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

• Pelecanidae (family)[+]
  • Pelecanus (genus)
• Threskiornithidae (family)[+]
  • Threskiornithinae (subfamily) [+]
    • ibises

Anotations

Scope note:

Order containing 66 species in six families worldwide, including cormorants, boobies, gannets, tropic birds, and frigate birds. They are water birds with all four toes webbed and a bill that is hooked or straight and sharply pointed.