- 08:21, 15 March 2008 diff hist -192 Pale-browed Treehunter →External Links
- 08:23, 11 March 2008 diff hist -197 Pale-bellied Tyrant-Manakin →External Links
- 08:22, 11 March 2008 diff hist -190 Pale-bellied Mourner →External Links
- 08:35, 8 March 2008 diff hist +29 Pacific Parrotlet →External Links
- 08:16, 3 March 2008 diff hist -118 West Peruvian Dove →External Links
- 08:12, 3 March 2008 diff hist -162 Ovenbird →External Links
- 08:09, 3 March 2008 diff hist 0 Ortolan Bunting →External Links
- 08:08, 3 March 2008 diff hist -111 Ortolan Bunting →External Links
- 08:07, 3 March 2008 diff hist +31 Ornate Tinamou →External Links
- 08:18, 2 March 2008 diff hist -183 Oriole Warbler →External Links
- 08:16, 2 March 2008 diff hist -145 Oriente Warbler →External Links
- 08:14, 2 March 2008 diff hist -122 Oriental Skylark →External Links
- 08:13, 2 March 2008 diff hist -184 Oriental Scops Owl →External Links
- 08:09, 2 March 2008 diff hist -120 Orchard Oriole →External Links
- 08:05, 2 March 2008 diff hist -191 Orange-headed Tanager →External Links
- 08:04, 2 March 2008 diff hist -118 Orange-fronted Yellow Finch →External Links
- 08:33, 29 February 2008 diff hist +36 Orange-eared Tanager →External Links
- 08:31, 29 February 2008 diff hist -134 Orange-crowned Warbler →External Links
- 08:30, 29 February 2008 diff hist -192 Orange-crowned Euphonia →External Links
- 08:28, 29 February 2008 diff hist +33 Orange-collared Manakin →External Links
- 08:27, 29 February 2008 diff hist -156 Orange-chinned Parakeet →External Links
- 08:23, 29 February 2008 diff hist -82 Orange-breasted Bunting →External Links
- 08:42, 28 February 2008 diff hist +35 Orange-bellied Trogon →External Links
- 07:58, 25 February 2008 diff hist +32 Orange-bellied Euphonia →External Links
- 07:57, 25 February 2008 diff hist -128 Orange-bellied Antwren →External Links
- 07:52, 25 February 2008 diff hist -109 Omao →External Links
- 07:51, 25 February 2008 diff hist +30 Olrog's Gull →External Links
- 08:16, 21 February 2008 diff hist +34 Olive-spotted Hummingbird →External Links
- 08:16, 21 February 2008 diff hist -128 Olive-sided Flycatcher →External Links
- 08:13, 21 February 2008 diff hist -155 Olive-green Tyrannulet →External Links
- 08:10, 21 February 2008 diff hist +36 Olive-crowned Crescentchest →External Links
- 08:06, 21 February 2008 diff hist +29 Olive-backed Euphonia →External Links
- 08:02, 21 February 2008 diff hist -181 Olive Thrush →External Links
- 08:36, 18 February 2008 diff hist -183 Olive Spinetail →External Links
- 08:33, 18 February 2008 diff hist +39 Olivaceous Woodcreeper →External Links
- 08:32, 18 February 2008 diff hist -104 Eastern Olivaceous Warbler →External Links
- 08:29, 18 February 2008 diff hist +34 Olivaceous Thornbill →External Links
- 08:39, 17 February 2008 diff hist -147 Olivaceous Siskin →External Links
- 08:34, 17 February 2008 diff hist -189 Ochre-rumped Antbird →External Links
- 08:33, 17 February 2008 diff hist +37 Ochre-naped Ground Tyrant →External Links
- 08:31, 17 February 2008 diff hist +36 Ochre-faced Tody-Flycatcher →External Links
- 08:30, 17 February 2008 diff hist -191 Ochre-collared Piculet →External Links
- 08:25, 17 February 2008 diff hist -153 Ochre-breasted Pipit →External Links
- 08:23, 17 February 2008 diff hist -194 Ochre-bellied Flycatcher →External Links
- 08:22, 17 February 2008 diff hist +28 Ochraceous Piculet →External Links
- 08:20, 17 February 2008 diff hist -128 Ocellated Woodcreeper →External Links
- 08:19, 17 February 2008 diff hist +33 Ocellated Tapaculo →External Links
- 08:13, 17 February 2008 diff hist +38 Ocellated Antbird →External Links
- 08:11, 17 February 2008 diff hist +28 Oasis Hummingbird →External Links
- 08:44, 16 February 2008 diff hist -191 Nutting's Flycatcher →External Links
-
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