Podicipediformes

Bird order - Flamingos and grebes are ancient sister taxa, which together are sister of shorebirds (Charadriiformes) (Hackett et al. 2008; Mayr 2008; Prum et al. 2015).

Podicipedidae

Podilymbus Pied-billed Grebe

Podilymbus Atitlan Grebe

Tachybaptus Alaotra Grebe

Tachybaptus Little Grebe

Tachybaptus Tricolored Grebe

Tachybaptus Australasian Grebe

Tachybaptus Madagascar Grebe

Tachybaptus Least Grebe

Rollandia Titicaca Grebe

Rollandia White-tufted Grebe

Poliocephalus New Zealand Grebe

Poliocephalus Hoary-headed Grebe

Podiceps Great Grebe

Podiceps Red-necked Grebe

Podiceps Great Crested Grebe

Podiceps Horned Grebe

Podiceps Black-necked Grebe

Podiceps Colombian Grebe

Podiceps Silvery Grebe

Podiceps Junin Grebe

Podiceps Hooded Grebe

Aechmophorus Western Grebe

Aechmophorus Clark's Grebe