Francisco Piedrahita:
Western Grebe (Aechmophorus occidentalis)
Francisco Piedrahita:
Eared Grebe, Black-necked Grebe (Podiceps nigricollis)
Francisco Piedrahita:
Eared Grebe, Black-necked Grebe (Podiceps nigricollis)
Francisco Piedrahita:
Horned Grebe (Podiceps auritus)
Francisco Piedrahita:
Red-necked Grebe (Podiceps grisegena)
Francisco Piedrahita:
Red-necked Grebe (Podiceps grisegena)