Observations Analysis (Japan、Tokyo)
Lifer of last year
Yearly lifer
Observations Details
| Species name |
total
71sp |
2007
24sp |
2009
5sp |
2020
21sp |
2022
3sp |
2023
39sp |
|---|---|---|---|---|---|---|
| Common Pochard | 1 | - | - | - | - | 1 |
| Ruddy Turnstone | 1 | 1 | - | - | - | - |
| Eurasian Coot | 3 | - | - | 1 | - | 2 |
| Great Crested Grebe | 3 | - | - | 1 | - | 2 |
| Asian House Martin | 2 | - | - | - | - | 2 |
| Black Wood Pigeon | 1 | - | 1 | - | - | - |
| Gadwall | 2 | - | - | 1 | - | 1 |
| Tufted Duck | 2 | - | - | 1 | - | 1 |
| Styan's Grasshopper Warbler | 1 | - | 1 | - | - | - |
| Brown-eared Bulbul | 5 | 2 | - | 1 | - | 2 |
| Bulwer's Petrel | 1 | 1 | - | - | - | - |
| Wedge-tailed Shearwater | 3 | 3 | - | - | - | - |
| Bonin Petrel | 1 | 1 | - | - | - | - |
| Matsudaira's Storm Petrel | 1 | 1 | - | - | - | - |
| Brown Noddy | 2 | 2 | - | - | - | - |
| Black-necked Grebe | 1 | - | - | 1 | - | - |
| Bonin White-eye | 2 | 2 | - | - | - | - |
| Blue Rock Thrush | 3 | 3 | - | - | - | - |
| Masked Bunting | 1 | - | - | - | - | 1 |
| White Wagtail | 3 | - | - | - | - | 3 |
| Falcated Duck | 1 | - | - | - | - | 1 |
| Izu Thrush | 1 | - | 1 | - | - | - |
| Brown-headed Thrush | 1 | - | - | - | - | 1 |
| Black-faced Spoonbill | 1 | - | - | - | 1 | - |
| Black-tailed Gull | 1 | 1 | - | - | - | - |
| Black-winged Stilt | 1 | 1 | - | - | - | - |
| Oriental Reed Warbler | 1 | - | - | - | - | 1 |
| Dusky Thrush | 2 | - | - | 1 | - | 1 |
| Pacific Golden Plover | 2 | 2 | - | - | - | - |
| Eastern Yellow Wagtail | 1 | 1 | - | - | - | - |
| Grey-tailed Tattler | 1 | 1 | - | - | - | - |
| Vega Gull | 1 | 1 | - | - | - | - |
| Eurasian Wigeon | 1 | - | - | - | - | 1 |
| Great Egret | 5 | 3 | - | - | - | 2 |
| Oriental Turtle Dove | 3 | - | - | 1 | - | 2 |
| Carrion Crow | 1 | - | - | - | - | 1 |
| Eurasian Teal | 1 | - | - | - | - | 1 |
| Black-headed Gull | 1 | - | - | - | - | 1 |
| Eastern Buzzard | 2 | 1 | - | 1 | - | - |
| Little Egret | 2 | - | - | - | - | 2 |
| House Swift | 1 | - | - | 1 | - | - |
| Eurasian Goshawk | 2 | - | - | - | 1 | 1 |
| Grey Heron | 4 | 1 | - | 1 | - | 2 |
| Little Grebe | 3 | - | - | 1 | - | 2 |
| White-cheeked Starling | 3 | - | - | 1 | - | 2 |
| Japanese Tit | 2 | - | - | - | - | 2 |
| Red-flanked Bluetail | 1 | - | - | - | - | 1 |
| Japanese Robin | 1 | - | 1 | - | - | - |
| Eurasian Sparrowhawk | 1 | - | - | - | - | 1 |
| Bull-headed Shrike | 3 | - | - | 1 | - | 2 |
| Black Kite | 1 | 1 | - | - | - | - |
| Warbling White-eye | 3 | 3 | - | - | - | - |
| Ruff | 1 | 1 | - | - | - | - |
| Long-tailed Tit | 1 | - | - | 1 | - | - |
| Common Tern | 1 | 1 | - | - | - | - |
| Japanese Bush Warbler | 2 | 1 | - | - | - | 1 |
| Mute Swan | 1 | - | - | - | - | 1 |
| Mallard | 1 | - | - | 1 | - | - |
| Large-billed Crow | 3 | - | - | - | - | 3 |
| Great Cormorant | 4 | - | - | 1 | - | 3 |
| Rock Dove | 3 | - | - | - | - | 3 |
| Greater Scaup | 2 | - | - | 1 | - | 1 |
| Brown Booby | 5 | 5 | - | - | - | - |
| Red-breasted Merganser | 1 | - | - | - | 1 | - |
| Barn Swallow | 1 | - | - | - | - | 1 |
| Eastern Spot-billed Duck | 4 | - | - | 1 | - | 3 |
| Grey-capped Greenfinch | 1 | - | - | - | - | 1 |
| Azure-winged Magpie | 1 | - | - | - | - | 1 |
| Eurasian Tree Sparrow | 4 | - | - | 1 | - | 3 |
| Common Moorhen | 1 | - | - | 1 | - | - |
| Ijima's Leaf Warbler | 1 | - | 1 | - | - | - |
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