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Gaviiformes
- Gavia immer, Common loon, AV6.1.1/1-2011
Podicipediformes

Tachybaptus dominicus, Least grebe. Ex coll. Smithsonian Institution, ex coll. Adolphe Boucard, 1866.

Podiceps cristatus, Great crested grebe (male). Europe, 1906.

Podiceps cristatus, Great crested grebe (male). Europe, 1906.
Suliformes
- Phalacrocorax auritus, Double-crested cormorant, AV8.1.1/1-2011

Ardea heoridas, Great blue heron (male). Ex coll. Smithsonian Institution #202642.

Ardea heoridas, Great blue heron (male).

Ardea purpurea, Purple heron (male). S. Europe, early 1900s.

Egretta caerulea, Little blue heron (female). Ex coll. Smithsonian Institution, collected by Victor J. Evans 23 August 1929.

Butorides virescens, Green heron (male). National Zoological Park, 11 May 1934.