火鸡 ................................................ 1
黄嘴美洲鹃 ....................................... 2
蓝翅黄森莺 ....................................... 3
紫朱雀 ............................................. 4
加拿大威森莺 ................................... 5
火鸡 ................................................ 6
普通拟八哥 ....................................... 7
白喉带鹀 .......................................... 8
黑枕威森莺 ....................................... 9
水鹨 .............................................. 10
白头海雕 ........................................ 11
橙腹拟鹂 ........................................ 12
灰蓝灯草鹀 ..................................... 13
草原林莺 ........................................ 14
北森莺 ........................................... 15
游隼 .............................................. 16
哀鸽 .............................................. 17
比氏苇鹪鹩 ..................................... 18
白眉灶莺 ........................................ 19
蓝翅虫森莺 ..................................... 20
嘲鸫 .............................................. 21
紫崖燕 ........................................... 22
黄喉地莺 ........................................ 23
黄喉地莺 ........................................ 24
歌带鹀 ........................................... 25
卡罗莱纳鹦鹉 ................................. 26
红头啄木鸟 ..................................... 27
蓝头莺雀 ........................................ 28
棕胁唧鹀 ........................................ 29
松莺 .............................................. 30
白头海雕 ........................................ 31
黑嘴美洲鹃 ..................................... 32
北美金翅雀 ..................................... 33
食虫莺 ........................................... 34
黄林莺 ........................................... 35
库氏鹰 ........................................... 36
普通扑动䴕 ..................................... 37
黄腹地莺 ........................................ 38
美洲凤头山雀 ................................. 39
橙尾鸲莺 ........................................ 40
披肩榛鸡 ........................................ 41
圃拟鹂 ........................................... 42
雪松太平鸟 ..................................... 43
玫红丽唐纳雀 ................................. 44
纹霸鹟 ........................................... 45
横斑林鸮 ........................................ 46
红喉北蜂鸟 ..................................... 47
蓝林莺 ........................................... 48
蓝林莺 ........................................... 49
纹胸林莺 ........................................ 50
红尾鵟 ........................................... 51
卡氏夜鹰 ........................................ 52
丽彩鹀 ........................................... 53
刺歌雀 ........................................... 54
金冠戴菊 ........................................ 55
赤肩鵟 ........................................... 56
呆头伯劳 ........................................ 57
隐夜鸫 ........................................... 58
栗胁林莺 ........................................ 59
炭黑莺 ........................................... 60
美洲雕鸮 ........................................ 61
旅鸽 .............................................. 62
白眼莺雀 ........................................ 63
沼泽带鹀 ........................................ 64
黄林莺 ........................................... 65
象牙嘴啄木鸟 ................................. 66
红翅黑鹂 ........................................ 67
美洲燕 ........................................... 68
栗胸林莺 ........................................ 69
亨氏草鹀 ........................................ 70
赤肩鵟 ........................................... 71
燕尾鸢 ........................................... 72
棕林鸫 ........................................... 73
靛蓝彩鹀 ........................................ 74
灰背隼 ........................................... 75
山齿鹑 ........................................... 76
带鱼狗 ........................................... 77
卡罗苇鹪鹩 ..................................... 78
东王霸鹟 ........................................ 79
黄腹鹨 ........................................... 80
鹗 ................................................. 81
三色夜鹰 ........................................ 82
莺鹪鹩 ........................................... 83
灰蓝蚋莺 ........................................ 84
黄喉林莺 ........................................ 85
红尾鵟 ........................................... 86
丛鸦 .............................................. 87
栗胸林莺 ........................................ 88
黄喉虫森莺 ..................................... 89
黑白森莺 ........................................ 90
巨翅鵟 ........................................... 91
灰背隼 ........................................... 92
海滨沙鹀 ........................................ 93
栗肩雀鹀 ........................................ 94
黄林莺 ........................................... 95
黑喉鹊鸦 ........................................ 96
东美角鸮 ........................................ 97
双色树燕 ........................................ 98
褐头牛鹂 ........................................ 99
长嘴沼泽鹪鹩 ................................ 100
渡鸦 ............................................. 101
冠蓝鸦 .......................................... 102
加拿大威森莺 ................................ 103
棕顶雀鹀 ....................................... 104
红胸 .......................................... 105
黑头美洲鹫 .................................... 106
灰噪鸦 .......................................... 107
狐色雀鹀 ....................................... 108
稀树草鹀 ....................................... 109
黑枕威森莺 .................................... 110
北美黑啄木鸟 ................................ 111
绒啄木鸟 ....................................... 112
东蓝鸲 .......................................... 113
白冠带鹀 ....................................... 114
东绿霸鹟 ....................................... 115
褐弯嘴嘲鸫 .................................... 116
密西西比灰鸢 ................................ 117
歌莺雀 .......................................... 118
黄喉莺雀 ....................................... 119
灰胸长尾霸鹟 ................................ 120
雪鸮 ............................................. 121
斑翅蓝彩鹀 .................................... 122
纹胸林莺 ....................................... 123
黑头威森莺 .................................... 124
褐头䴓 .......................................... 125
白头海雕 ....................................... 126
玫胸白斑翅雀 ................................ 127
灰嘲鸫 .......................................... 128
大冠蝇霸鹟 .................................... 129
黄胸草鹀 ....................................... 130
旅鸫 ............................................. 131
黑背啄木鸟 .................................... 132
白颊林莺 ....................................... 133
橙胸林莺 ....................................... 134
橙胸林莺 ....................................... 135
东草地鹨 ....................................... 136
黄胸大 莺 .................................... 137
灰喉地莺 ....................................... 138
田雀鹀 .......................................... 139
松莺 ............................................. 140
1.2. 苍鹰 3. 库氏鹰 ..................... 141
美洲隼 .......................................... 142
橙顶灶莺 ....................................... 143
绿纹霸鹟 ....................................... 144
棕榈林莺 ....................................... 145
鱼鸦 ............................................. 146
美洲夜鹰 ....................................... 147
黑喉蓝林莺 .................................... 148
尖尾沙鹀 ....................................... 149
红眼莺雀 ....................................... 150
红头美洲鹫 .................................... 151
白胸䴓 .......................................... 152
黄腰白喉林莺 ................................ 153
灰冠虫森莺 .................................... 154
黑喉蓝林莺 .................................... 155
短嘴鸦 .......................................... 156
锈色黑鹂 ....................................... 157
烟囱雨燕 ....................................... 158
主红雀 .......................................... 159
卡罗山雀 ....................................... 160
巨隼 ............................................. 161
鸣哀鸽 .......................................... 162
棕榈林莺 ....................................... 163
棕夜鸫 .......................................... 164
巴氏猛雀鹀 .................................... 165
毛脚鵟 .......................................... 166
绿顶鹑鸠 ....................................... 167
叉尾王霸鹟 .................................... 168
红树美洲鹃 .................................... 169
灰王霸鹟 ....................................... 170
仓鸮 ............................................. 171
蓝头鹑鸠 ....................................... 172
家燕 ............................................. 173
绿胁绿霸鹟 .................................... 174
短嘴沼泽鹪鹩 ................................ 175
枞树镰翅鸡 .................................... 176
白顶鸽 .......................................... 177
橙冠虫森莺 .................................... 178
莺鹪鹩 .......................................... 179
松金翅雀 ....................................... 180
金雕 ............................................. 181
地鸠 ............................................. 182
金冠戴菊 ....................................... 183
红树林蜂鸟 .................................... 184
黑胸虫森莺 .................................... 185
草原松鸡 ....................................... 186
宽尾拟八哥 .................................... 187
美洲树雀鹀 .................................... 188
雪鹀 ............................................. 189
黄腹吸汁啄木鸟 ............................. 190
柳雷鸟 .......................................... 191
灰伯劳 .......................................... 192
林氏带鹀 ....................................... 193
北山雀 .......................................... 194
红冠戴菊 ....................................... 195
矛隼 ............................................. 196
红交嘴雀 ....................................... 197
白眉食虫莺 .................................... 198
棕榈鬼鸮 ....................................... 199
角百灵 .......................................... 200
加拿大雁 ....................................... 201
红喉潜鸟 ....................................... 202
王秧鸡 .......................................... 203
盐沼长嘴秧鸡 ................................ 204
弗吉尼亚秧鸡 ................................ 205
林鸳鸯 .......................................... 206
褐鲣鸟 .......................................... 207
极北杓鹬 ....................................... 208
厚嘴鸻 .......................................... 209
姬苇鳽 .......................................... 210
大蓝鹭 .......................................... 211
环嘴鸥 .......................................... 212
北极海鹦 ....................................... 213
刀嘴海雀 ....................................... 214
红颈瓣蹼鹬 .................................... 215
黑头鹮鹳 ....................................... 216
三色鹭 .......................................... 217
崖海鸦 .......................................... 218
白翅斑海鸽 .................................... 219
笛鸻 ............................................. 220
绿头鸭 .......................................... 221
美洲白鹮 ....................................... 222
美洲蛎鹬 ....................................... 223
三趾鸥 .......................................... 224
双领鸻 .......................................... 225
美洲鹤 .......................................... 226
针尾鸭 .......................................... 227
美洲绿翅鸭 .................................... 228
小潜鸭 .......................................... 229
三趾滨鹬 ....................................... 230
长嘴杓鹬 ....................................... 231
棕胁秋沙鸭 .................................... 232
黑脸田鸡 ....................................... 233
环颈潜鸭 ....................................... 234
乌燕鸥 .......................................... 235
夜鹭 ............................................. 236
中杓鹬 .......................................... 237
云斑塍鹬 ....................................... 238
美洲骨顶 ....................................... 239
粉红燕鸥 ....................................... 240
大黑背鸥 ....................................... 241
雪鹭 ............................................. 242
美洲沙锥 ....................................... 243
黑水鸡 .......................................... 244
厚嘴崖海鸦 .................................... 245
欧绒鸭 .......................................... 246
斑脸海番鸭 .................................... 247
斑嘴巨䴙䴘 .................................... 248
簇羽海鹦 ....................................... 249
北极燕鸥 ....................................... 250
褐鹈鹕 .......................................... 251
角鸬鹚 .......................................... 252
中贼鸥 .......................................... 253
细嘴瓣蹼鹬 .................................... 254
灰瓣蹼鹬 ....................................... 255
棕颈鹭 .......................................... 256
角鸬鹚 .......................................... 257
棕塍鹬 .......................................... 258
角䴙䴘 .......................................... 259
白腰叉尾海燕 ................................ 260
沙丘鹤 .......................................... 261
白尾鹲 .......................................... 262
弯嘴滨鹬 ....................................... 263
暴风鹱 .......................................... 264
饰胸鹬 .......................................... 265
普通鸬鹚 ....................................... 266
长尾贼鸥 ....................................... 267
小丘鹬 .......................................... 268
青脚鹬 .......................................... 269
烟黑叉尾海燕 ................................ 270
华丽军舰鸟 .................................... 271
短尾贼鸥 ....................................... 272
橙嘴凤头燕鸥 ................................ 273
斑翅鹬 .......................................... 274
白顶玄鸥 ....................................... 275
王绒鸭 .......................................... 276
小美洲黑雁 .................................... 277
白腰滨鹬 ....................................... 278
白嘴端凤头燕鸥 ............................. 279
黑浮鸥 .......................................... 280
大蓝鹭白色亚种 ............................. 281
冰岛鸥 .......................................... 282
大鹱 ............................................. 283
紫滨鹬 .......................................... 284
叉尾鸥 .......................................... 285
白额雁 .......................................... 286
白鸥 ............................................. 287
小黄脚鹬 ....................................... 288
褐腰草鹬 ....................................... 289
黑腹滨鹬 ....................................... 290
银鸥 ............................................. 291
凤头䴙䴘 ....................................... 292
角海鹦 .......................................... 293
斑胸滨鹬 ....................................... 294
大西洋鹱 ....................................... 295
白颊黑雁 ....................................... 296
丑鸭 ............................................. 297
赤颈䴙䴘 ....................................... 298
奥氏鹱 .......................................... 299
美洲金鸻 ....................................... 300
帆背潜鸭 ....................................... 301
北美黑鸭 ....................................... 302
高原鹬 .......................................... 303
翻石鹬 .......................................... 304
紫青水鸡 ....................................... 305
普通潜鸟 ....................................... 306
小蓝鹭 .......................................... 307
大黄脚鹬 ....................................... 308
普通燕鸥 ....................................... 309
斑腹矶鹬 ....................................... 310
美洲鹈鹕 ....................................... 311
长尾鸭 .......................................... 312
蓝翅鸭 .......................................... 313
笑鸥 ............................................. 314
红腹滨鹬 ....................................... 315
美洲蛇鹈 ....................................... 316
斑头海番鸭 .................................... 317
褐胸反嘴鹬 .................................... 318
小白额燕鸥 .................................... 319
姬滨鹬 .......................................... 320
粉红琵鹭 ....................................... 321
美洲潜鸭 ....................................... 322
黑剪嘴鸥 ....................................... 323
博氏鸥 .......................................... 324
白枕鹊鸭 ....................................... 325
北鲣鸟 .......................................... 326
琵嘴鸭 .......................................... 327
黑颈长脚鹬 .................................... 328
北美花田鸡 .................................... 329
半蹼鸻 .......................................... 330
普通秋沙鸭 .................................... 331
拉布拉多鸭 .................................... 332
美洲绿鹭 ....................................... 333
灰斑鸻 .......................................... 334
短嘴半蹼鹬 .................................... 335
黄冠夜鹭 ....................................... 336
美洲麻鳽 ....................................... 337
绿头鸭和赤膀鸭的杂交个体 ............. 338
侏海雀 .......................................... 339
小海燕 .......................................... 340
大海雀 .......................................... 341
鹊鸭 ............................................. 342
棕硬尾鸭 ....................................... 343
高跷鹬 .......................................... 344
绿眉鸭 .......................................... 345
太平洋潜鸟 .................................... 346
白秋沙鸭 ....................................... 347
赤膀鸭 .......................................... 348
黑田鸡 .......................................... 349
岩鸻 ............................................. 350
乌林鸮 .......................................... 351
白尾鸢 .......................................... 352
1.2. 栗背山雀 3.4. 黑顶山雀
5.6. 短嘴长尾山雀 ......................... 353
1.2. 黄腹丽唐纳雀
3.4. 猩红丽唐纳雀 ......................... 354
海滨沙鹀 ....................................... 355
北鹞 ............................................. 356
黑嘴喜鹊 ....................................... 357
松雀 ............................................. 358
1.2. 西王霸鹟 3. 剪尾王霸鹟
4.5. 棕腹长尾霸鹟 .......................... 359
1.2.3. 冬鹪鹩 4. 岩鹪鹩 ............... 360
蓝镰翅鸡 ....................................... 361
1. 黄嘴喜鹊 2. 暗冠蓝鸦
3. 西丛鸦 4.5. 北美星鸦 ................ 362
太平鸟 .......................................... 363
白翅交嘴雀 .................................... 364
铁爪鹀 .......................................... 365
矛隼 ............................................. 366
斑尾鸽 .......................................... 367
岩雷鸟 .......................................... 368
1. 高山弯嘴嘲鸫 2.3. 杂色鸫 ......... 369
美洲河乌 ....................................... 370
艾草松鸡 ....................................... 371
斯氏鵟 .......................................... 372
1. 黄昏锡嘴雀
2.3.4. 黑头白斑翅雀 ...................... 373
纹腹鹰 .......................................... 374
白腰朱顶雀 .................................... 375
黑嘴天鹅 ....................................... 376
秧鹤 ............................................. 377
猛鸮 ............................................. 378
棕煌蜂鸟 ....................................... 379
鬼鸮 ............................................. 380
雪雁 ............................................. 381
尖尾松鸡 ....................................... 382
长耳鸮 .......................................... 383
美洲雀 .......................................... 384
1.2.3. 崖沙燕 4.5. 紫绿树燕 ......... 385
大白鹭 .......................................... 386
彩鹮 ............................................. 387
1. 三色黑鹂 2.3.4. 黄头黑鹂
5. 布氏拟鹂 ................................... 388
红顶啄木鸟 .................................... 389
1. 鹨雀鹀 2.3. 白斑黑鹀
4. 歌带鹀 ...................................... 390
黑雁 ............................................. 391
栗翅鹰 .......................................... 392
1. 黄眉林莺 2.3. 山蓝鸲
4.5. 西蓝鸲 ................................... 393
1. 栗领铁爪鹀 2. 橙胸金翅雀
3. 金冠带鹀 4. 斑唧鹀 .................. 394
1.2.黄腰白喉林莺 3.4.黄脸林莺
5.6.黑喉灰林莺 .............................. 395
北极鸥 .......................................... 396
美洲红鹮 ....................................... 397
1. 白腹蓝彩鹀 2. 褐雀鹀
3.4. 灰蓝灯草鹀 ............................. 398
1.2. 黑喉绿林莺 3. 橙胸林莺
4.5. 黑胸地莺 ................................ 399
1. 暗背金翅雀 2. 极北朱顶雀
3. 黄腹丽唐纳雀 4. 美洲雀变体
5. 黄腹铁爪鹀 ................................ 400
红胸秋沙鸭 .................................... 401
1. 扁嘴海雀 2. 小嘴斑海雀 3. 小海雀
4. 凤头海雀 5. 角嘴海雀 ............... 402
巴氏鹊鸭 ....................................... 403
黑颈䴙䴘 ....................................... 404
半蹼滨鹬 ....................................... 405
黑嘴天鹅 ....................................... 406
乌信天翁 ....................................... 407
黑海番鸭 ....................................... 408
1. 弗氏燕鸥 2. 白顶燕鸥 ............... 409
鸥嘴噪鸥 ....................................... 410
小天鹅 .......................................... 411
1. 海鸬鹚 2. 加州鸬鹚 .................. 412
珠颈斑鹑 ....................................... 413
1.2. 金翅虫森莺 3.4. 栗颊林莺 ..... 414
1.2. 美洲旋木雀 3.4. 小䴓 ............ 415
1.2. 长嘴啄木鸟 3.4. 红腹啄木鸟
5.6. 普通扑动䴕 7.8. 刘氏啄木鸟
9.10. 红胸吸汁啄木鸟 ..................... 416
1.2.7.8.9. 长嘴啄木鸟
3.4.5.6.10. 美洲三趾啄木鸟 ........... 417
1. 岩雷鸟 2. 白尾雷鸟 .................. 418
1. 隐夜鸫 2. 坦氏孤鸫
3. 灰噪鸦 ...................................... 419
红翅黑鹂 ....................................... 420
褐鹈鹕 .......................................... 421
毛脚鵟 .......................................... 422
1. 冠齿鹑 2.3. 山翎鹑 ................. 423
1. 白腹蓝彩鹀 2. 家朱雀 3. 灰头岭雀
4. 褐头牛鹂 5.6. 黄昏锡嘴雀
7. 狐色雀鹀 ................................... 424
安氏蜂鸟 ....................................... 425
加州神鹫 ....................................... 426
1.2. 北美蛎鹬 ................................ 427
短嘴鹬 .......................................... 428
小绒鸭 .......................................... 429
斑海雀 .......................................... 430
美洲红鹳 ....................................... 431
1.2.3. 穴小鸮 4.5. 山鸺鹠
6. 短耳鸮 ...................................... 432
1.2. 布氏拟鹂 3. 橙腹拟鹂
4.5. 北美金翅雀 6. 杂色鸫
7. 黄眉灶莺 ................................... 433
1. 小纹霸鹟 2. 松莺
3. 黑喉绿林莺或黄眉林莺的亚成体
4. 黄绿莺雀 5. 西绿霸鹟
6. 黑长尾霸鹟 ................................ 434
1.2. 美洲河乌 ................................ 435
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