- 10:13, 19 May 2007 diff hist +123 Yellow-whiskered Greenbul
- 10:12, 19 May 2007 diff hist +113 Yellow-winged Blackbird
- 10:06, 19 May 2007 diff hist +121 Yellow-winged Cacique
- 10:05, 19 May 2007 diff hist -3 Yellow-winged Tanager
- 10:04, 19 May 2007 diff hist -102 Yellow-winged Tanager
- 10:03, 19 May 2007 diff hist +115 Yellow-winged Vireo
- 10:03, 19 May 2007 diff hist +121 Yellowbill
- 10:02, 19 May 2007 diff hist -66 Yellowhammer
- 10:02, 19 May 2007 diff hist -61 Yellowhammer
- 10:00, 19 May 2007 diff hist +120 Yellowhead
- 10:00, 19 May 2007 diff hist +114 Yellowish Bulbul
- 09:59, 19 May 2007 diff hist +121 Yellowish Flycatcher
- 09:59, 19 May 2007 diff hist -103 Peruvian Pipit
- 09:57, 19 May 2007 diff hist +121 Yellowish-bellied Bush Warbler
- 09:57, 19 May 2007 diff hist +116 Yemen Accentor
- 09:56, 19 May 2007 diff hist +121 Yemen Linnet
- 09:56, 19 May 2007 diff hist +120 Yemen Serin
- 09:55, 19 May 2007 diff hist +120 Yemen Thrush
- 09:55, 19 May 2007 diff hist +113 Yemen Warbler
- 09:54, 19 May 2007 diff hist +77 Yucatan Flycatcher
- 09:51, 19 May 2007 diff hist -2 Yucatan Jay
- 09:51, 19 May 2007 diff hist 0 N File:IMG 1892.jpg current
- 09:50, 19 May 2007 diff hist -31 Yucatan Jay
- 09:48, 19 May 2007 diff hist +72 Yucatan Nightjar
- 09:48, 19 May 2007 diff hist +79 Yucatan Poorwill
- 09:47, 19 May 2007 diff hist +90 Yucatan Vireo
- 09:46, 19 May 2007 diff hist +73 Yucatan Woodpecker
- 09:45, 19 May 2007 diff hist +126 Yucatan Wren
- 09:44, 19 May 2007 diff hist +76 Yungas Manakin
- 09:43, 19 May 2007 diff hist +123 Yungas Pygmy Owl
- 09:43, 19 May 2007 diff hist +122 Yungas Tody-Tyrant
- 09:42, 19 May 2007 diff hist +72 Yunnan Nuthatch
- 09:41, 19 May 2007 diff hist 0 Zamboanga Bulbul
- 09:40, 19 May 2007 diff hist +71 Zamboanga Bulbul
- 09:40, 19 May 2007 diff hist -66 Zanzibar Red Bishop
- 09:39, 19 May 2007 diff hist +110 Zanzibar Red Bishop
- 09:38, 19 May 2007 diff hist +75 Zapata Rail
- 09:37, 19 May 2007 diff hist +123 Zapata Sparrow
- 09:36, 19 May 2007 diff hist +72 Zapata Wren
- 09:35, 19 May 2007 diff hist -114 Zebra Dove
- 09:33, 19 May 2007 diff hist +76 Zebra Finch
- 09:32, 19 May 2007 diff hist -63 Zebra Finch
- 09:32, 19 May 2007 diff hist -102 Zebra Finch
- 09:30, 19 May 2007 diff hist -62 Zebra Waxbill
- 09:30, 19 May 2007 diff hist -50 Zebra Waxbill
- 09:29, 19 May 2007 diff hist -93 Zenaida Dove
- 09:27, 19 May 2007 diff hist +73 Zenker's Honeyguide
- 09:27, 19 May 2007 diff hist +119 Zigzag Heron
- 09:26, 19 May 2007 diff hist +73 Zimmer's Tapaculo
- 09:25, 19 May 2007 diff hist +31 Zimmer's Tody-Tyrant


