The Sixth Extinction: An Unnatural History

ants
army (Eciton burchelli)
leaf-cutter
APASD (Asian-Pacific Alien Species Database)
apes, great
aragonite
Arctic Circle
Arctic willow
Aristotle
Ármannsson, Halldór
Arrhenius, Olof
Arrhenius, Svante
arthropods
Asaro, Frank
asteroid impact
atmosphere. See also carbon dioxide
reengineering
Audubon, John James
aurochs
Australia
background extinction rate
bacteria, sulfate-reducing
Balzac, Honoré de
Bardsey Island
barnacles
Balanus perforatus
Barnosky, Anthony
Bass, Edward
Batrachochytrium dendrobatidis (Bd). See also chytrid fungus
bats
big brown
greater mouse-eared
Indiana (Myotis sodalis)
little brown (Myotis lucifugus, “lucis”)
Marianas flying fox
northern long-eared
small-footed (Myotis leibii)