P. darwinii may refer to: Pachycondyla darwinii, Forel, 1893, an ant species in the genus Pachycondyla found in India Pacifigorgia darwinii Parahelops darwinii Pleurodema darwinii, the four-eyed frog, a frog species found in Brazil, Chile, Uruguay and possibly Argentina Pleuropetalum darwinii, a plant species endemic to Ecuador Pterocnemia darwinii, the Darwin's Rhea, a large flightless bird species found in the Altiplano and Patagonia in South America
See also P. darwini (disambiguation) Darwinii (disambiguation)