Mothers and Others Page 52
Woodpeckers, 196, 198
Woolly monkeys, 86–87
Workers (insects), 185, 187, 190–191, 202–203, 276
Wrangham, Richard, 279
“Wrong” sex, 70–72
Wynn, Karen, 116
Wynne-Edwards, Katherine, 169, 173, 216
Xenophobia, 3, 21, 235
!Xo, 24
Yakut, 256
Yanomano, 24, 81, 150–151, 154–155
Yora, 166
Young, Andrew, 194
Ziegler, Toni, 98–99
Zimbabwe, 150
Zoology, 169, 184
Zoos, 3, 9, 235–236