The Sixth Extinction: An Unnatural History

paleogenetics
Paleozoic era
palms
Panama
pandas
Pangaea
Papua New Guinea
paradigm shifts
parakeets, golden-winged
parrots, green
pathogens
Pauly, Daniel
Peale, Charles Willson
peccaries
penguins
peppershrike, rufous-browed
Permian period
extinction at end of
Phillips, John
Philosophical Transactions of the Royal Society B
photosynthesis
pH scale. See also ocean acidification
picoplankton
pigeon, plumbeous
piha, screaming
plankton
plantains, broadleaf (Plantago major)
plants
global warming and
invasive
K-T extinctions and
Ordovician
plate tectonics
Pleistocene epoch
extinctions at end of
plesiosaur
Pliny the Edler