| Bernstein, Irwin, 33, 88
|
| Berthold of Goettingen, 214, 215
|
| Birds
|
| attraction of mates, 31
|
| bower bird, 31
|
| breeding and breeding season, 104, 120, 149, 165
|
| canaries, 12
|
| English hedge sparrow, breeding behavior, 119120
|
| high testosterone levels in, 36, 104, 120
|
| hornbill, breeding behavior, 31, 32, 118
|
| Lapland longspur, effect of testosterone implants on, 120
|
| phalarope, sex-role reversal, 114115
|
| sandpiper, sex-role reversal, 165
|
|