201, 203 – 4, 305 –16, 321, 323, 326, 328,
332 –33, 335 –36, 339, 346 – 47, 349 –54,
371–72, 411–12; chemosignal, 111, 336;
discrimination, of scent marks, 265; effects
of, non-lethal, 328 –29, 339 – 40; facilitation,
335; -induced breeding suppression, 146 –
47; predator-prey episode, 305 –7, 317; rec-
ognition, 199 –201; -specific alarm calls,
325, 440; swamping, 459
prefrontal cortex, 193
pregnancy: block, 40, 106 –13, 276 –77; con-
current, 236; failure, 40, 107–110, 112,
178, 276 –77
premating isolating mechanism, 295, 297
prenatal effects on development, 196 – 97
preputial gland, 256, 259 – 60
primer, 106, 111, 113
principle component analysis (PCA), 99 –105
productivity, environmental, 371
progesterone, 145 – 46
prolactin, 108 – 9, 113
promiscuity, 29 –32, 37, 41, 48 –52, 72 –73,
186 – 93, 276, 422 –23
proximate causes, 4 –5, 58, 136 –38, 144, 153 –
54, 158 – 62, 195 – 96, 218, 220, 226 –28,
307, 309, 312, 314 –16, 388 – 89, 392, 435 –
36, 438, 443
puberty, 106 –13, 195 – 96, 198, 204; accelera-
tion of, 106 – 9, 110 –11; delay of, 108 –11,
113
pup-defense hypothesis, 42, 52 –53, 275 –76
pupping den, 396, 398 – 402
pursuit deterrence calls, 317
puumala virus, 484
queuing, for mates, 36, 93
radiation, adaptive, 16 –19, 427
radio telemetry, 70 –72, 177, 381– 82
rainfall, 427–28, 432 –33
range maps: of blind mole-rats, 294; of cteno-
myids, 407– 9; of ground-dwelling squirrels,
464 – 66; of social mole-rats, 428
rare species, 455 –56
rat genome sequencing project, 381
rattlesnake confrontation, 305 –7, 311–12,
314 –15
reciprocity, 322, 352
recognition, 47– 48, 59 – 61, 152, 157, 190 – 91,
216 –28, 263, 349 –53, 375 –76
recognition circuit, brain, 187– 94
referential communication, 324 –26
refugia, 425 –26, 456 –57
relatedness, genetic, 43 – 44, 180 – 81, 216 –28,
245, 299, 349 –54, 360 – 61, 364, 409 –10,
438 – 44
removal studies, 152 –54
repertoire size, acoustic, 323 –24
reproduction /reproductive: activation, 188;
axis, 139, 141; cycle, annual, 348 –51, 358 –
60, 407–10; delayed,106 –14, 346 – 47, 360,
363, 365 – 66; energetics, 127–28, 467–70;
isolation, 295, 297, 301–2; life span, 100 –
101, 105; rate, net, 362, 365; skew, 246 – 48,
345, 354, 356, 434-36; suppression of, 145 –
47, 178 –79, 272, 277, 336, 349, 361, 364 –
66, 435 –36; synchrony, 34 –36, 107– 8,
396, 399 – 401, 445 – 47
reservoir, for disease, 390 – 91, 479, 482 – 86
resistance to infection, 46, 60
resource: access to, 251–253; competition, 52 –
53, 152, 179, 272, 278; competition, local,
134 –36; dispersion, 32 –33, 401–2, 425 –
26; dispersion hypothesis, 401–2; environ-
mental, 152 –53
resource-holding potential (RHP), 260 – 61,
265–66
retrieving, of pups, 226 –27, 232 –33, 238
rickettsia, 390
rifting, 428 –31
risk, communication of, 309, 311–12, 325 –26
risk-allocation hypothesis, 332 –33
r-k selection, 99
rock-dwelling rodents, 416 –26
rock islands, 425 –26
rock specialists, obligate, 416 –18, 421–24
rocky habitats, 416 –20, 426
Rocky Mountain spotted fever, 484
rodentology, 15
rodentophilia, 4
rodents, species and genera, 8 –11
salmonella, 390 – 91
sand bathing, 256, 376
saxatile rodents, 416 –21, 424, 426
scent: matching, 257, 261– 62; mound, 284 –
86; trails, 210, 213
scent glands, 222 –23, 255 –56, 259 – 60, 284 –
86, 386, 394, 397– 98
scent marking, 210, 214, 255 – 66, 284 – 86,
333 –34, 376 –77, 386, 395, 397– 98; by fe-
males, 108 – 9, 260 – 61, 376, 284 – 86, 397–
98
seasonality: in predation, 337–38; in reproduc-
tion, 111–12, 142 – 45; wet /dry, 393 – 402,
407–10, 427, 432 –34
seasonal movements, 394 – 96
sebaceous glands, 386
seed: caching, 335, 339 – 41, 374; stealing,
374 –75
seismic communication, 292, 317, 320 –21,
337–38, 371, 376
self grooming, 312 –13
selfish genetic element, 64 – 67
selfish-herd effect, 311, 397
self-matching, 219, 226
self /non-self recognition, 59
self-preservation calls, 321
self-regulation, of populations, 173 – 81, 458 –
59
semelparity, partial, 140 – 44
seminatural enclosure, 58 – 67, 110, 175 –77,
238 –39, 383 – 84, 387– 88
senescence, 147– 49, 204
sensory-perceptual development, 196, 201
Seoul virus, 482
seroconversion, 479, 481, 483
seroprevalence, 479, 481
serotonin, 191
settled dominance, 385
settlements, of maras, 397
Sewell Wright, and F-statistics, 163 –72
sex allocation theory, 129 –38, 235 –36, 398 –
99
sex-biased dispersal, 53 –55, 69 –72, 76 –79,
150 – 62, 179 – 80, 245 – 49, 282, 346 – 47,
360 – 62, 366, 373, 378, 383, 386, 411, 414,
433 –36, 457–58, 470, 483, 485
sex ratio, 129 –38; adjustment, non-facultative,
131, 136 –37; operational, 34 –35, 89; pa-
rental manipulation of, 129 –38, 235 –36;
primary, 129 –38; secondary, 129 –38
sexual dimorphism, 115 –28
sexual maturation, delayed, 106 –14, 174, 178 –
79
sexual selection, 27– 67, 88 – 92, 115 –16, 152,
255, 257–260, 263, 273 –79, 386 – 88, 442;
and infanticide, 273 –78
sheep corrals, 395, 397, 401–2
shooting, of prairie dogs, 473, 476
signal: of alarm, 200, 233, 307– 8, 317–27,
337–38, 348 – 49, 351–52, 371, 376 –77,
379, 408 –10, 425, 438 – 44, 449; costs, 255,
262 – 63, 265, 318 –21, 333 –34; design,
257– 63, 323 –27; evolution, 312 –13, 326 –
27; honest, 255 – 60, 320 –21; transmission,
and habitat, 323 –24
Sin Nombre virus, 483
sister-group, of Rodentia, 15
size dimorphism, 115 –128
slow life history, 99 –105
small populations, life and death of, 458 –59
snake, behavior against, 199 –201, 305 –7,
311–12, 314 –15, 317, 320 –21
social: attachment, 187, 192; behavior, neural
control of, 185 –194; continuum, 6, 244,
249 –253, 373 –378, 403 –15, 431; evolu-
tion, 300 –302, 352 –53, 405, 410 –12, 427–
28, 431–37; fence effect, 457; hibernation,
349 –52, 363 – 64; learning, 61, 200, 203 – 4,
207–15, 220 –26, 313 –14, 384; preference,
44 – 45; recognition, neural, 190 – 93; resis-
tance, 150, 155; status, signaling of, 255,
257– 60, 266; thermoregulation, 363 – 64;
tolerance, 300 –302, 349, 374 –76, 378,
396 – 97, 401–2; transmission, of food pref-
erences, 207–15, 384
social complexity: index of, 20 –22, 346 – 48;
phylogeny of, 20 –22, 68 – 85
sociality: distribution of, 244, 357, 297–301,
346 – 48, 369 –78, 405 – 410, 429 –32; ori-
gins of, 19 –22, 431–32, 437
sociobiology, 417, 425 –26
socioecology, 243 –54, 356 –79, 392, 416 –27,
432 –35
soil geomorphology, 348
solicitation, of copulation, 88 – 89
solitary living, 291–300, 302, 356 –57, 368 –79
South American rodents, 12 –13, 393 – 415, 423
spacing behavior, 174 –78
spatial ability, 47
spatial learning, 148 – 49, 310
speciation: active, 295, 297–302; ecological,
298 – 99; parapatric, 295, 297
species distribution area, 73 –74, 77– 85
species-specific aggression, 297– 99
sperm: competition, 37– 41, 48 –52, 90 – 92;
morphology, 38; transport, 49 –52
stochastic influence, 458 –59, 462
stotting, 396
stress, 134, 139 – 49, 191– 93, 197– 98, 200,
263, 308 – 9, 314, 364, 369, 378; acute,
139 – 41, 146; axis, 139 – 49; chronic, 140 –
42; nutritional, 134
stress-response system, 140 – 41, 308 – 9, 314;
adaptive, 141– 42
stria terminalis, bed nucleus of, 187– 93
Subject Index 603