- 14:05, 9 November 2007 diff hist -526 Okinawa Woodpecker
- 14:04, 9 November 2007 diff hist -501 Okinawa Rail
- 14:00, 9 November 2007 diff hist -476 Okarito Brown Kiwi
- 13:58, 9 November 2007 diff hist -2,960 Oilbird
- 13:54, 9 November 2007 diff hist -662 Ogea Monarch
- 16:28, 8 November 2007 diff hist +66 Ochre-striped Antpitta
- 16:27, 8 November 2007 diff hist +123 Ochre-rumped Bunting
- 16:25, 8 November 2007 diff hist -261 Ochre-rumped Antbird
- 15:36, 8 November 2007 diff hist -1,098 Ochre-naped Ground Tyrant
- 15:29, 8 November 2007 diff hist +45 Makira Flycatcher
- 15:28, 8 November 2007 diff hist -1,156 Ochre-fronted Antpitta
- 15:21, 8 November 2007 diff hist -399 Ochre-flanked Tapaculo
- 15:19, 8 November 2007 diff hist +134 Ochre-faced Tody-Flycatcher
- 15:17, 8 November 2007 diff hist -137 Ochre-collared Piculet
- 15:16, 8 November 2007 diff hist +55 Ochre-cheeked Spinetail
- 15:14, 8 November 2007 diff hist +41 Ochre-browed Thistletail
- 15:12, 8 November 2007 diff hist +72 Ochre-breasted Tanager
- 15:11, 8 November 2007 diff hist -554 Ochre-breasted Pipit
- 15:08, 8 November 2007 diff hist +27 Djibouti Francolin
- 15:06, 8 November 2007 diff hist +69 Ochre-breasted Foliage-gleaner
- 15:04, 8 November 2007 diff hist +52 Ochre-breasted Brushfinch
- 15:03, 8 November 2007 diff hist -423 Ochre-breasted Antpitta
- 14:56, 8 November 2007 diff hist +38 Ochre-bellied Boobook
- 14:54, 8 November 2007 diff hist +14 Ochre-bellied Foliage-gleaner
- 14:52, 8 November 2007 diff hist -623 Ochre-bellied Flycatcher
- 14:48, 8 November 2007 diff hist +52 Ochre-bellied Dove
- 14:46, 8 November 2007 diff hist +45 Ochraceous-breasted Flycatcher
- 14:45, 8 November 2007 diff hist -770 Ochraceous Wren
- 14:41, 8 November 2007 diff hist +86 Ochraceous Piculet
- 14:39, 8 November 2007 diff hist +65 Ochraceous Pewee
- 14:36, 8 November 2007 diff hist -310 Ochraceous Bulbul
- 14:34, 8 November 2007 diff hist +260 Ochraceous Attila
- 17:00, 6 November 2007 diff hist +150 Ocellated Woodcreeper
- 16:58, 6 November 2007 diff hist -2,457 Ocellated Turkey
- 16:54, 6 November 2007 diff hist +67 Ocellated Thrasher
- 16:52, 6 November 2007 diff hist -518 Ocellated Tapaculo
- 16:50, 6 November 2007 diff hist +125 Ocellated Quail
- 16:48, 6 November 2007 diff hist -70 Ocellated Poorwill
- 16:46, 6 November 2007 diff hist +62 Ocellated Piculet
- 16:45, 6 November 2007 diff hist +186 Ocellated Crake
- 16:42, 6 November 2007 diff hist -116 Ocellated Antbird
- 16:39, 6 November 2007 diff hist +17 Oceanic Flycatcher
- 16:37, 6 November 2007 diff hist +78 Obscure Honeyeater
- 16:36, 6 November 2007 diff hist -1,184 Obscure Berrypecker
- 16:34, 6 November 2007 diff hist +78 Oberländer's Ground Thrush
- 13:40, 6 November 2007 diff hist +25 Obbia Lark
- 13:35, 6 November 2007 diff hist +36 Oaxaca Sparrow
- 13:30, 6 November 2007 diff hist +41 Oasis Hummingbird
- 13:23, 6 November 2007 diff hist -1,163 Oak Titmouse
- 13:18, 6 November 2007 diff hist 0 Oahu Alauahio →Distribution


