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INDEX Group or species accounts are on the page(s)in boldface type A.e, ~ ~ i p ~ t e r ' coopeii, 39, 122, 125-26 gentilis, 317,319 striatus velox, 39, 122, 125 Accipitridae. 39,122-31 Actitis macularia, 42, 141,151-52 Aechrnophorus clarkii transitionalis, 27, 34, 73.76,77 occidentalis occ~dzntalis, 27, 34,73, 76-77 spp. 12.73~76 Aegitllalidae, 52, 244-45 Aegolius acadicus acadicus, 46, 204 Aeronautes saxatalis saxatalis, 47, 206, 208 Agamia agami, 318 Agelai~s~hoeniceus, 15, 20, 24, 30, 31, 61, 66-67, 301, 302-3,304,~6 calfornicus, 61,302 neutralis, 61,302 nevadensis, 66-67, 303 sonoriensis, 61, 302 tricolor, 61,joj agriculture, 13, 22, 24. 30 Almophila cassinii. 58. 283 Aix sponsa, 37, 99. 108-9 Alamo River,4, 5,7,8,10,13, I5.18.19.22,69 Alaudidae, 51, 235-37 Albatross, Laysan, 34,77-78 Alcedinidae, 47, 211-12 Alcidae, 45, 194 Alfalfa, 24. 323 Alkali-Mallour,21 Allenrolfia occidentalis, 21, 324 Ambrosia dumosa, 21 Ammodramus leconteii. 59. 291 savannarum perpallidus, 59, 290-91 ammonia, 7 Aw~phispizabelli nevadensis, 22, 59, 279, 287-88, 296 bilineata deserticola, 30, 59, 286-87 Anas acuta, 14,37, 98. 99, 100,110,112, 113 x A . crecca, 113 americana. 37, 98. 99, 100,109-10,113 x A. acuta, 110, 113 x A. platyrhynchos. IIO clypeata, 37. 98, 99,100,112, 113 rrecca, 14,38, 98, 99,100.112,113-14 carolinensis, 38, 99, 114 crecca. 18,99, 114 hybrid, 114 cyanoptera srptentrionalium, 14,27, 37, G j . 98, 99. I O 0 , I I I - I 2 diszors. 37, 65, 98, 99. 111, 112 x A . cyanoptera, 112 formosa, 38, 99, 113 hybrid, 109,110,112, 111,114,118 yenelope, 37, 99.109,IIO x A. ameriiana, IIO Anas aruta (contini~ed) platyrhynchosplatyrhynchos, 14. 3 7 , 99, 100, 110-11, 3 1 8 hybrid, 111.318 quzrquedula, 65 rubripes, 318 x A. platyrhynrhos. 318 spp., 12,1 4 . 27.98 strepera strepera, 37, 99, 109, 110 x A. americana, 109, IIO Anatidae, 24, 36-38. 98-122 Anhinga, 317-18 Anhitlga anhingn, 3 1 7 1 8 inzlnnognstei; 317-18 Ani, Groove-billed.46, 199-200 Aniostretnus davidsoni, 15 anoxic conditions, 9 .4nser nlb$onsfiontn!is, 27. 37, 98, 99, 102-3 Anseriformes, 36-38,98-122 Anthus n4bescenspacificus, 24. 55,260 spraguzii, 5j,260 Aphzloco~zaialifotnica. 50, 2 3 3 3 4 obscura, jI,233 ~voodhol~seii. 50, 233 Apodidae, 47, 206-8 Apodiformes. 47. 2 0 6 1 1 Aquila chivsaetos canadensis, 39. 131 Archilochus alexandri, 22,47, 206, 208-9 Ardza alba egetta, 27, 35,87, 89, 90. 92 herodias wardi, 14, 27, 35,87, 88-89, 92 Ardeidae, 25.26, 35-36.87-93 Ardeola bacchus. 318 Arenniia intrrpes intzrpes, 16, 29, 30, 42. 140141. '54-55,156 melanocephala. 42, 141,155-56 Arromweed, 19 Asio,flammeusj?-ammeus, 24, 30, 46, zoo, 203-4 otus wilsonianus, 46, 202-3 Asparagus, 24, 323 Astragalus limatfis,21 Athene iunnicularia hpugaea, 15,qo, 46, zoo, 202,203, 204 Atriplex, 18.22.3 2 4 canescens, 21 ientijo~mis,21 polyiarpa, 21 Audubon Society, Coachella Valley, 10 auks, 45.194 ~ u r i ~ n r u ~ f l a v i i e p s acaciarum, 30, j2,242, 243-44 Avocet, American. 29.41, 140, 141,148,160 Pied, 319 Aythya afinis. 14, 38, 99, IIj,116 amzricnnn, 14. 27, 38, 99, 1 1 4 1 5 collalls, 38, 99, 115 f"liguln, 38, 99, 115 Baeolopiius inoinatus affnbills, 52,2 4 3 Bairdiella, Ij Bairdiellu icistia, 15 Balanus amphitrite, 9.15 Barnacle. Acorn, 9, Ij Bat Cave Buttes, 13 Bittern. American, 14, 35.87-88 Least, 20,27, 35,88 Blackbird, Brewer's, 62. 302,305, 306, 307, 3 0 8 Red-winged, 15.20,24.30. 31.61, 66-67, 301,302-3, 304.306 R~isty. 67 Tricolored, 61, 303 Yellow-headed,20.30, GI,jo2, 304, 3 0 8 blackbirds, 61-62, 301-11 Black-Hawk,Common, 39.126 Blake, \PvTlham P., 2,4 Blake Sea. 2 Bluebird, Mounta~n, 54, 253 mestern. 54. 253 Bobolink, 61. 302 Eombyiilla cedroium, 55,260-61 Bombyclllidae, 55,260-61 Bono, Sonny, 10 Bonytail, 12 boobies, 35.80-82 Booby, Blue-footed. 28. 3j. 80-81 Brown. 28, 35.81-82 boron. 8 Botaurus lent~ginosus, 14, 35,87-88 boh~l:sm,7 Brant. 16, 27, 28, 37, 98,106-8 Eranta bernicla nigricans...

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