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Index to Volume 81 INDEX TO VOLUME 81 A Ar, A., Rahn, H., and Paganelli, C. V., The avian egg: mass and strength, 331-337 Accipiter bicolor, 320 Araqaris, Collared, see Pteroglossus torquatus cooper%, 219-220, 236 Aramides cajanea, 100-101 gent&s, 195 Aramus guarauna, 101 Acridotheres tristis. 205 Ardea cinerea, 170, 333 Acrocephulus scho&obaenus, 261 herodios, 306 scirpaceus, 261 Ardeola ibis, 93 Actitis mucularia, 99 Arenariu interpres, 99, 295 Aethia cristutella, 94 Athene noctuu, 333 pusilla, 94 Atkins, Natasha, see Duffy, David C. Agelaius phoeniceus, 25, 39, 91, 236, 258-264, 304, Artumus leucorhynchus, 204 314,417420,436 Asiopnmmeus, 307-308, 398 tricolor, 236 Attila, Bright-rumped, see Attilu spadiceus Ainley, D. G., see Roudybush, T. E. Attilu spudiceus, 344 Aix sponsa, 432 Auklet, Cassins,’ see Ptychoramphus aleuticus Ajaia ajuja, 306 Crested, see Aethia cristatella Akepa, see Loxops coccinea Least, see Aethia pusilla Albatross, Black-footed, see Diomedea nigripes Parakeet, see Cyclorrhynchus psittucula Galapagos, see Diomedea irrorata Automolus infuscatus, 343, 344 Laysan, see Diomedea immutubilis ochrulaemus, 344 Royal, see Diomedea epomophora rufipileatus, 344 Alectoris graeca, 333 Aythya umericana, 38 Amakihi, see Loxops virens Amuzonu uutumnalis, 301, 321 B Anabercerthia striaticollis, 319 Anas acutu, 312 Balph, D. F., and Balph, M. H., Behavioral flexibility americana, 312 of Pine Siskins in mixed species foraging groups, clypeuta, 427 211-212 crecca, 197, 214, 312 Balph, M. H., see Balph, D. F. discors, 38 Bananaquit, see Coerebu fluveola fulvigula, 432 Baptista, L. F., and Matsui, M., The source of the dive- platyrhynchos, 3541, 312, 333, 336 noise of the Annas’ Hummingbird, 87-89 &e,er& 312 Barlow, J. C., see Russell, S. M. Ani. Smooth-billed. see Crotophuga ani Barklow, W. E., Graded frequency variations of the Anohs stolidus, 430, 431 . ’ tremolo call of the Common Loon, 53-64 Anser albifrons, 432 Batt, B. D. J., and Prince, H. H., Laying dates, clutch anser, 49, 333 size and egg weight of captive Mallards, 35-41 caerulescens, 46, 194, 232-235,432 Batzli, G. O., see-Williams, J. B.- erythropus, 50 Beal. K. G.. and Gillam. L. D.. On the function of _nrev , fubalis. 49. 229 beating by Roadrunners, 85-87 “rossi, 48 Becard, Pink-throated, see Platypsaris minor Antbird, Bicolored, see Gymnopithys leucaspis Berman, S. L., see Raikow, R. J. Black-faced, see Murmoborus myotherinus Berns, V. D., Golden Eagle nest on Kodiak Island, Gray, see dercoma&a cinerascens Alaska, 218 Anthracothorax prevostii, 98 Bird-of-paradise, Lorias,’ see Loriu loriae Antshrike, Black-capped, see Thumnophilus schista- Black, C. P., see Holmes, R. T. ceus Blackbird, see Turdus merulu Bluish-slate, see Thamnomanes schistogynus Brewers,’ see Euphagus cyanocephalus Dusky-throated, see ThawLnowlanes ardesiacus European, see Turdus merulu Fasciated, see Cymbilaimus lineatus Red-winged, see Age&us phoeniceus Slaty, see Thamnophilus punctatus Rusty, see Euphagus curolinus Spot-winged, see Pygiptila stellaris Tri-colored, see Ageluius tricolor White-shouldered, see Thamnophilus aethiops Yellow-headed, see Xanthocephalus xanthoceph- Ant-Tanager, Red-crowned, see Habia rubica alus Antwren, Dot-winged, see Microrhopias quixensis Bluebird, Eastern, see Siulia sialis Gray, see Myrmotherula menetriesii Bluhm, C. K., and Ward, K. E., Great Horned Owl pre- Iherings.’ see Murmotherula iheringi dation on a Short-eared Owl, 307-308 Long-winged, see Myrmotherula loigipennis Boag, P. T., and Ratcliffe, L. M., First record of a Black- Ornate, see Myrmotherula ornatu poll Warbler for the GalCpagos, 218 Plain-throated, see Murmotherula haurwelli Bobwhite, see Colinus virginiunus Pygmy, see Myrmothkula brachyura Boersma, P. D., and Wheelwright, N. T., Egg neglect White-eved. see Murmotherula leucophthalmn in the Procellariiformes: Reproductive adapta- White-flankkd, see Myrmotherula axillaris tions in the Fork-tailed Storm-petrel, 157-165 Apapane, see Himatione sanguinea Bonusa umbellus, 214, 217 Aphelocoma ultramarine, 6 Booby, Blue-faced, see Sula dactylatru Aptenodytes forsteri, 195 Brown, see Sula leucogaster Apteryx au&r&s, 198 Borecky, S. R., see Raikow, R. J, Apus upus, 133-145 Boubou, Tropical, see Laniurius ferrugineus Aquila chrysaetos, 218 Bowerbird, Great Grey, see Chlumydera nuchalis r-apax, 333 Boyd, R. L., see Braun, C. E. 445 446 THE CONDOR Branta bernicla, 47 Chlamydera nuchalis, 203 canadensis, 42, 195,297 Chlidonias leucoptera, 333 leucopsis, 42-52 niger, 431 Braun, C. E., Reid, V. H., Ray, T. D., and Boyd, R. L., Cioconia ciconia, 333 Additional records of White-winged Doves in Circus aeruginosus, 192 Colorado, 96 cyaneus, 192 Braun, C. E., see Giesen, K. M. Clark, G. A., Jr., Body weights of birds: A review, 193- Bubo bubo, 333 202 virginianus, 307-308 Coccyzus minor, 98 Bubulcus ibis, 99, 274, 333 Coereba fiaoeola, 98 Bucevhala albeola. 197 Colaptes-auratus, 370-375, 438 Bufflkhead, see Bucephala albeola Colinus virginianus. 39. 196 Bullfinch, see Pyrrhula pyrrhula Collias, E. C., Collias, N. E., Jacobs, C. H., McAlary, Bunting, Indigo, see Passerina cyanea F., and Fujimoto, J. T., Experimental evidence Lazuli, see Passerina amoena for facilitation of pair formation by bright color Little, see Emberiza pusilla in weaverbirds, 91-93 Snow, see Plectrophenax nivalis Collias, N. E., see Collias, E. C. Burger, J., Competition and predation: Herring Gulls Collocallia vanikorensis. 407 versus Laughing Gulls, 269-277 Colopteryx galeatus, 29i Burger, J., and Trout, J. R., Additional data on body Columba leucocephala, 98 size as a difference related to niche, 305-307 lima, 39 Burhinus oedicnemus, 333 palumbus, 141, 194, 290 Buteo magnirostris, 320 Columbina cruziana, 398 nitidus, 411 Condor, Andean, see Vultur gryphus rufinus, 333 California, see Gymnogyps californianus Butler, R. W., and Kirbyson, J. W., Oyster predation by Contopus sordidulus, 436 the Black Oystercatcher in British Columbia, cirens, 99 433435 Cooke, F., see Sulzbach, D. S. Butorides striatus, 99, 100, 306 Coot, American, see Fulica americana Coragyps stratus, 171 C Corapipo altera, 424 Cacicus cela, 205 Cormorant, Brandts,’ see Phalacrocorax penicillatus Cacique, Yellow-rumped, see Cacicus cela Double-crested, see Phalacrocorax au&us Calcarius lapponicus, 214 Guanay, see Phalacrocorax bougainvillii Calidris mauri, 295 Pelagic, see Phalacrocorax pelagicus minutilla, 99 Red-faced, see Phalacrocorax urile ptilocnemis, 214 Corvus brachyrhynchos, 279-250 Calypte anna, 87-89 corone, 236,333 costae, 87 ossifragus, 274 helenae, 197 Cossypha cyanocampter, 189 Campephilus guatemalensis, 302 Coturnir coturnix, 141, 169, 293 melanoleucos, 299 Cowbird, Brown-headed, see Molothrus ater Campylorhynchus brunneicapillus, 350 Cranioleuca curtata, 319 trochilirostris, 344 Creeper, Brown, see Certhiu familiaris Canachites canadensis, 214 Crossbill, Red, see Loxia curuiro,stra Capercaillie, see Tetrao urogallus Crotophaga ani, 98, 196 Cardinal, see Cardinalis cardinalis Crow, Carrion. see Corvus corone Cardinalis cardinalis, 251-257 Common, see Corvus brachyrhynchos Carduelis carduelis, 72, 333 Fish, see Corvus ossifragus- chloris, 333 Cruz, A., and Tohnston, D. W.. Occurrence and feeding flammea, 96-97 ecology of the Common Flicker on Grand Cay- hornemanni, 96-97 man Island, 370-375 pinus, 211 Cuckoo, see Cuculus canorus spinus, 212 Mangrove, see Coccyzus minor Carpodacus cassinii, 211 Cuculus canorus, 39,244 Carr, G. S., Greater Shearwater in Costa Rica, 323 Cyanocitta cristata, 251-257 Casmerodius albus, 99, 306 Cyanocorux sanblasiuna, 411 Catbird, see Dumetella carolinensis Cyclorrhynchus psittacula, 94 Catharacta skua, 394 Cygnus olor, 47, 186, 197 Cathartes aura, 171 Cymbilaimus lineutus, 344 Cathurus fuscescens, 414 Cyphorhinus aradus, 186, 344 guttatus, 414 Cepphus columba, 213,295 D grylle, 295 Deconychuru longicauda, 344 Cercomacra cinerascens, 344 Delichon urbicu, 141 Certhia fumiliuris, 122-132 Dendragapus obscurus, 78-82, 217 Chaffinch, see Fringilla coelebs Dendrexetastes rufigula, 344 Chat, Yellow-breasted, see lcteria cirens Dendroicn caerulescens, 9-20, 99, 100 Chickadee, Black-capped, see Parus atricapillus coronata, 99 Carolina, see Parus carolinensis discolor, 143 Mexican, see Parus sclateri magnolia, 99 Mountain, see Parus gumbeli palmarum, 99 Chicken, Greater Prairie, see Tympanuchus cupido petechia, 98, 99, 218, 436 INDEX TO VOLUME 81 447 striuta, 99, 218, 219 Finch, Cassins,’ see Carpodacus cassinii tigrina, 99 Gray-crowned Rosy, see Leucosticte tephrocotis sirens, 99 Fitzner, R. E., and Hanson, W. C., A congregation of Depner, G., see Ellis, D. H. wintering Bald Eagles, 311-313 Diomedea epomophora, 162 Flicker, Common, see Colaptes auratus immutabilis, 162 Florida caerulea, 99, 306 irrorata, 162 Flycatcher, Dusky, see Empidonax oberholseri nigripes, 390-396 Eulers,’ see Emvidonax euleri Dixon, K. L., and Martin, D. J., Notes on the vocaliza- Grey-hooded, see Pipromorpha rufioentris tions of the Mexican Chickadee, 421-423 Least, see Empidonax minimus Dove, Caribbean, see Leptotila jamaicensis McConnells’ see Pivromorvha macconnelli Galapagos, see Zenaida galapagoensis Ochre-bellied, see Pipromorpha oleaginea Gold-billed Ground, see Columbina cruziana Olive-sided, see Nuttallornis borealis Mourning, see Zenaida macroura Olive-striped, see Mionectes olioaceus Rock, see Columba &via Sepia-capped, see Leptopogon amaurocephalus Turtle, see Streptopelia risoria Slaty-capped, see Leptopogon superciliaris White-tipped, see Leptotila aerreauxi Streaked, see Myiodynastes maculatus White-winged, see
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