BAT

(See also Animals; Birds)

discussion: g76 4/22 23-26; ad 195; g47 1/8 16-18

echolocation: ce 158; g76 4/22 26; g75 6/8 20; g63 4/22 24; w61 643-644; ew 43-44

blind baby “sees” with bat’s method: g75 8/22 29

efficiency: g78 2/8 17-18

superior to radar: g59 4/22 14-15

feeding: g65 2/8 14

fly south in autumn: g67 10/22 16

fooled by moths: g70 1/8 26

grooming itself: g70 6/22 25

hibernation:

depth of sleep: g47 11/22 18

vampire: w85 8/1 26; g54 7/22 13-15