- 15:42, 7 July 2008 diff hist +210 Usambara Akalat
- 15:39, 7 July 2008 diff hist +211 Ursula's Sunbird
- 15:36, 7 July 2008 diff hist +221 Urich's Tyrannulet
- 15:33, 7 July 2008 diff hist +788 Ural Owl
- 15:27, 7 July 2008 diff hist +394 Upland Sandpiper
- 15:23, 7 July 2008 diff hist +99 Upland Pipit
- 15:21, 7 July 2008 diff hist -8 Upland Goose
- 15:21, 7 July 2008 diff hist +662 Upland Goose
- 15:13, 7 July 2008 diff hist +1,041 Upland Buzzard
- 15:05, 7 July 2008 diff hist +59 Upland Antshrike
- 15:03, 7 July 2008 diff hist -15 Upcher's Warbler
- 14:53, 7 July 2008 diff hist +41 Unstreaked Tit-Tyrant
- 14:52, 7 July 2008 diff hist +560 Unspotted Saw-whet Owl
- 14:47, 7 July 2008 diff hist +444 Uniform Woodcreeper
- 14:43, 7 July 2008 diff hist +83 Uniform Treehunter
- 14:42, 7 July 2008 diff hist +111 Uniform Finch
- 14:40, 7 July 2008 diff hist +425 Uniform Crake
- 14:34, 7 July 2008 diff hist +74 Uniform Antshrike
- 14:32, 7 July 2008 diff hist +102 Unicolored Thrush
- 14:30, 7 July 2008 diff hist +130 Unicolored Tapaculo
- 14:27, 7 July 2008 diff hist +226 Unicolored Jay
- 14:23, 7 July 2008 diff hist +68 Unicolored Blackbird
- 14:20, 7 July 2008 diff hist +70 Unicolored Antwren
- 14:17, 7 July 2008 diff hist +32 Undulated Tinamou
- 14:15, 7 July 2008 diff hist +190 Undulated Antshrike
- 14:12, 7 July 2008 diff hist +187 Undulated Antpitta
- 14:07, 7 July 2008 diff hist +59 Unadorned Flycatcher
- 14:05, 7 July 2008 diff hist +61 Uluguru Violet-backed Sunbird
- 14:03, 7 July 2008 diff hist +78 Uluguru Bushshrike
- 14:00, 7 July 2008 diff hist +117 Ultramarine Lorikeet
- 13:55, 7 July 2008 diff hist +86 Ultramarine Kingfisher
- 13:53, 7 July 2008 diff hist +1 Ultramarine Grosbeak →Distribution
- 13:53, 7 July 2008 diff hist +104 Ultramarine Grosbeak
- 13:48, 7 July 2008 diff hist +531 Ultramarine Flycatcher
- 13:36, 7 July 2008 diff hist +200 Ula-ai-hawane
- 13:26, 7 July 2008 diff hist +29 Uhehe Fiscal
- 13:24, 7 July 2008 diff hist +179 Uganda Woodland Warbler
- 13:22, 7 July 2008 diff hist +329 Udzungwa Forest Partridge
- 16:39, 4 July 2008 diff hist +95 Tytler's Leaf Warbler
- 16:37, 4 July 2008 diff hist +102 Tyrian Metaltail
- 16:35, 4 July 2008 diff hist +102 Tyrannine Woodcreeper
- 16:33, 4 July 2008 diff hist +62 Tylas Vanga
- 16:32, 4 July 2008 diff hist +114 Two-banded Warbler
- 16:30, 4 July 2008 diff hist +182 Two-banded Puffbird
- 16:26, 4 July 2008 diff hist +680 Two-banded Plover
- 16:21, 4 July 2008 diff hist +1 Twite
- 16:21, 4 July 2008 diff hist +338 Twite
- 15:56, 4 July 2008 diff hist +403 Twelve-wired Bird-of-Paradise
- 15:54, 4 July 2008 diff hist +279 Tuxtla Quail-Dove
- 15:51, 4 July 2008 diff hist +409 Turquoise-throated Puffleg


