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Totals Po Toi - Seawatch (Hong Kong) 2021

	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	NE	W	Maximum	Presence (%)	Presence (days)	First	Last
1.	Garganey	0	0	0	0	0	0	1	0	0	0	1	0	1	1 (18 Sep)	1	1	18 Sep	18 Sep
2.	Shoveler	0	0	0	0	0	0	0	1	12	12	25	0	25	12 ( 2 Dec)	6	4	29 Oct	2 Dec
3.	Wigeon	0	0	0	0	0	0	0	0	1	0	1	0	1	1 ( 9 Nov)	1	1	9 Nov	9 Nov
4.	Pintail	0	0	0	0	0	0	0	2	2	2	6	0	6	2 (19 Oct)	4	3	19 Oct	4 Dec
5.	Teal	0	0	0	0	0	0	5	0	0	0	5	0	5	5 (24 Sep)	1	1	24 Sep	24 Sep
6.	duck sp.	0	0	0	0	0	0	130	544	18	16	708	0	708	398 (18 Oct)	17	12	18 Sep	23 Dec
7.	Tufted Duck	0	0	0	0	0	0	0	0	0	4	4	0	4	4 ( 4 Dec)	1	1	4 Dec	4 Dec
8.	Red-breasted Merganser	0	0	0	0	0	0	0	0	3	0	3	0	3	2 (21 Nov)	3	2	21 Nov	22 Nov
9.	Himalayan Swiftlet	0	0	0	0	0	0	6	0	0	0	6	0	6	6 (16 Sep)	1	1	16 Sep	16 Sep
10.	Pacific Swift	0	3	0	0	0	0	3	0	0	0	6	3	3	3 (17 Sep)	4	3	16 Apr	17 Sep
11.	House Swift	0	0	0	0	0	7	0	0	11	0	18	0	18	9 ( 8 Nov)	6	4	17 Aug	23 Nov
12.	Oriental Turtle-Dove	0	0	0	0	0	0	0	0	2	0	2	0	2	2 (22 Nov)	1	1	22 Nov	22 Nov
13.	Great Crested Grebe	0	0	0	0	0	0	0	0	0	3	3	0	3	3 (22 Dec)	1	1	22 Dec	22 Dec
14.	Black-winged Stilt	0	0	0	0	0	1	0	0	0	0	1	0	1	1 (26 Aug)	1	1	26 Aug	26 Aug
15.	Grey Plover	0	0	0	0	0	2	1	0	0	0	3	0	3	1 ( 5 Aug)	4	3	5 Aug	23 Sep
16.	Lapwing	0	0	0	0	0	0	0	0	1	0	1	0	1	1 (22 Nov)	1	1	22 Nov	22 Nov
17.	Whimbrel	0	0	0	0	0	52	1	0	0	0	53	3	50	30 (17 Aug)	7	5	3 Aug	17 Sep
18.	Curlew	0	0	0	0	0	3	0	0	0	1	4	1	3	3 (26 Aug)	3	2	26 Aug	22 Dec
19.	Black-tailed Godwit	0	150	0	0	0	0	0	0	0	0	150	150	0	150 (28 Apr)	1	1	28 Apr	28 Apr
20.	Red-necked Phalarope	125	131	47	0	59	2	5	0	0	0	369	367	2	125 (29 Mar)	24	17	29 Mar	16 Sep
21.	Redshank	0	0	0	0	0	4	0	0	0	0	4	4	0	4 (26 Aug)	1	1	26 Aug	26 Aug
22.	Greenshank	0	0	0	0	0	0	1	0	0	0	1	0	1	1 (18 Sep)	1	1	18 Sep	18 Sep
23.	Curlew Sandpiper	0	8	0	0	0	0	0	0	0	0	8	8	0	8 (28 Apr)	1	1	28 Apr	28 Apr
24.	Red-necked Stint	0	75	0	0	0	0	0	0	0	0	75	75	0	75 (29 Apr)	1	1	29 Apr	29 Apr
25.	Oriental Pratincole	0	5	0	0	0	0	0	0	0	0	5	5	0	4 (16 Apr)	3	2	16 Apr	28 Apr
26.	Aleutian Tern	0	4	13	0	0	65	60	0	0	0	142	17	125	33 (10 Sep)	17	12	28 Apr	17 Sep
27.	Bridled Tern	0	5	1166	0	0	619	10	0	0	0	1800	445	1355	328 (12 May)	27	19	28 Apr	25 Sep
28.	Little Tern	0	30	18	0	4	16	1	1	0	0	70	52	18	30 (28 Apr)	13	9	28 Apr	30 Oct
29.	Gull-billed Tern	0	7	6	7	0	4	28	0	0	0	52	20	32	21 (16 Sep)	14	10	28 Apr	17 Sep
30.	Caspian Tern	0	0	0	0	0	2	0	59	196	6	263	1	262	72 ( 7 Nov)	21	15	3 Aug	22 Dec
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	NE	W	Maximum	Presence (%)	Presence (days)	First	Last
31.	Whiskered Tern	0	3	52	3	0	0	0	30	0	0	88	58	30	48 (10 May)	7	5	28 Apr	29 Oct
32.	tern/marsh tern sp.	0	425	154	13	5	1172	9232	182	0	0	11183	816	10367	2969 (10 Sep)	46	32	17 Apr	19 Oct
33.	White-winged Black Tern	0	38	480	18	0	0	33	5	0	0	574	536	38	176 (14 May)	21	15	27 Apr	18 Oct
34.	Common Tern	0	13	76	3	4	884	175	19	1	1	1176	110	1066	300 (28 Aug)	47	33	28 Apr	2 Dec
35.	Black-naped Tern	0	25	26	0	0	4	0	0	0	0	55	51	4	23 (28 Apr)	10	7	27 Apr	28 Aug
36.	Roseate Tern	0	0	32	29	43	99	0	0	0	0	203	104	99	81 (16 Aug)	29	20	10 May	17 Aug
37.	Greater Crested Tern	2	128	35	30	24	255	604	30	0	0	1108	250	858	165 (10 Sep)	60	42	29 Mar	18 Oct
38.	Black-headed Gull	0	0	0	0	0	0	0	33	618	857	1508	49	1459	371 ( 3 Dec)	19	13	18 Oct	23 Dec
39.	Black-tailed Gull	0	0	0	0	0	1	1	10	2	25	39	4	35	10 (21 Dec)	20	14	28 Aug	23 Dec
40.	Mongolian Gull	0	0	0	0	0	0	0	0	2	3	5	0	5	2 (20 Nov)	4	3	20 Nov	22 Dec
41.	Heuglin's Gull	0	0	1	0	0	0	3	4	2	13	23	4	19	13 (22 Dec)	10	7	25 May	22 Dec
42.	large gull sp.	0	0	0	0	0	0	1	5	8	89	103	26	77	33 (22 Dec)	19	13	9 Sep	23 Dec
43.	Long-tailed Skua	0	0	0	0	0	0	1	0	0	0	1	0	1	1 (24 Sep)	1	1	24 Sep	24 Sep
44.	skua sp.	0	0	0	0	0	5	13	0	0	0	18	0	18	11 (10 Sep)	6	4	27 Aug	25 Sep
45.	Arctic Skua	0	5	8	1	9	1	1	1	0	0	26	24	2	5 (28 Apr)	19	13	28 Apr	28 Oct
46.	Pomarine Skua	0	0	0	0	0	0	0	0	2	0	2	0	2	2 (22 Nov)	1	1	22 Nov	22 Nov
47.	Swinhoe's Storm-Petrel	0	0	1	0	0	0	1	0	0	0	2	1	1	1 (27 May)	3	2	27 May	11 Sep
48.	Streaked Shearwater	1	129	0	1	165	3	0	0	23	0	322	154	168	149 (22 Jul)	13	9	29 Mar	23 Nov
49.	Short-tailed Shearwater	0	11	21	9	7	0	0	0	0	0	48	45	3	10 (28 Apr)	23	16	27 Apr	21 Jul
50.	shearwater sp.	0	0	0	0	2	0	0	0	0	0	2	1	1	1 ( 6 Jul)	3	2	6 Jul	20 Jul
51.	Bulwer's Petrel	0	0	0	0	0	0	0	2	0	0	2	0	2	2 (17 Oct)	1	1	17 Oct	17 Oct
52.	Lesser Frigatebird	0	0	1	0	0	1	0	0	0	0	2	1	1	1 (26 May)	3	2	26 May	3 Aug
53.	Red-footed Booby	0	0	0	0	0	1	1	0	0	0	2	2	0	1 ( 3 Aug)	3	2	3 Aug	23 Sep
54.	Brown Booby	0	0	0	1	2	0	0	0	0	0	3	2	1	1 ( 9 Jun)	4	3	9 Jun	22 Jul
55.	Phalacrocorax sp.	0	0	0	0	0	0	0	0	1	0	1	0	1	1 ( 9 Nov)	1	1	9 Nov	9 Nov
56.	Night Heron	0	0	0	0	0	0	0	7	0	0	7	0	7	7 (19 Oct)	1	1	19 Oct	19 Oct
57.	Little Egret	0	7	0	0	22	11	76	3	31	1	151	20	131	46 (11 Sep)	20	14	17 Apr	22 Dec
58.	Egretta sp.	0	0	0	0	4	11	639	9	204	4	871	12	859	174 (16 Sep)	26	18	2 Jul	3 Dec
59.	Chinese Pond Heron	0	0	0	0	0	0	23	15	1	0	39	1	38	19 (16 Sep)	7	5	16 Sep	9 Nov
60.	Eastern Cattle Egret	0	13	4	0	1	11	22	76	23	0	150	19	131	39 (18 Oct)	17	12	16 Apr	22 Nov
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	NE	W	Maximum	Presence (%)	Presence (days)	First	Last
61.	Great White Egret	0	0	1	0	0	0	18	22	2	0	43	3	40	12 (19 Oct)	13	9	14 May	9 Nov
62.	heron sp.	0	0	0	0	0	0	0	2	0	0	2	0	2	2 (30 Oct)	1	1	30 Oct	30 Oct
63.	Grey Heron	0	0	0	0	0	0	3	1	12	3	19	0	19	9 (23 Nov)	9	6	16 Sep	22 Dec
64.	Osprey	0	0	0	0	0	0	0	1	0	0	1	0	1	1 (17 Oct)	1	1	17 Oct	17 Oct
65.	Eastern Marsh Harrier	0	0	0	0	0	0	0	2	0	2	4	0	4	2 (16 Oct)	3	2	16 Oct	21 Dec
66.	Grey-faced Buzzard	0	3	0	0	0	0	0	0	0	0	3	3	0	3 (28 Apr)	1	1	28 Apr	28 Apr
67.	Eastern Buzzard	0	0	0	0	0	0	0	1	0	0	1	0	1	1 (29 Oct)	1	1	29 Oct	29 Oct
68.	Oriental Dollarbird	0	0	0	0	0	0	1	0	0	0	1	0	1	1 (24 Sep)	1	1	24 Sep	24 Sep
69.	Kestrel	0	0	0	0	0	0	0	1	0	1	2	0	2	1 (17 Oct)	3	2	17 Oct	3 Dec
70.	Peregrine	0	0	0	0	0	0	0	0	0	1	1	0	1	1 ( 4 Dec)	1	1	4 Dec	4 Dec
71.	Black Drongo	0	0	2	0	0	0	1	0	0	0	3	2	1	2 (11 May)	3	2	11 May	25 Sep
72.	Light-vented Bulbul	0	0	0	0	0	0	0	0	540	0	540	0	540	300 ( 7 Nov)	3	2	7 Nov	9 Nov
73.	Swallow	0	0	0	0	21	0	0	32	33	1	87	8	79	30 (22 Nov)	17	12	6 Jul	2 Dec
74.	Scaly-breasted Munia	0	0	0	0	0	0	0	11	0	0	11	0	11	11 (17 Oct)	1	1	17 Oct	17 Oct
75.	Grey Wagtail	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (21 Nov)	1	1	21 Nov	21 Nov
76.	White Wagtail	0	0	0	0	0	0	0	0	0	1	1	0	1	1 ( 4 Dec)	1	1	4 Dec	4 Dec
77.	Chinese Grosbeak	0	0	0	0	0	0	0	0	2	0	2	0	2	2 (20 Nov)	1	1	20 Nov	20 Nov
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	NE	W	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	128	1218	2144	115	372	3236	11101	1111	1754	1046	22225	3458	18767		100	70
	Observation hours	2:00	15:25	59:45	40:45	84:30	65:15	68:15	56:00	56:15	44:15	492:25

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Totals Po Toi - Seawatch (Hong Kong) 2021