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Totals Rodeo Lagoon Seawatch (CA) 2023

	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Black Brant	0	0	0	15	0	0	0	0	0	0	32	47	32	15	16 (15 Nov)	8	4	15 Apr	21 Nov
2.	Canada Goose	0	0	6	9	0	0	0	0	0	0	0	15	4	11	6 (25 Mar)	8	4	25 Mar	30 Apr
3.	Lesser Canada Goose	0	0	0	0	0	0	0	0	0	9	0	9	9	0	9 ( 4 Oct)	2	1	4 Oct	4 Oct
4.	Eurasian White-fronted Goose	0	0	0	0	0	0	0	0	0	27	0	27	27	0	27 (12 Oct)	2	1	12 Oct	12 Oct
5.	Greater White-fronted Goose (American)	0	0	0	0	0	0	0	0	0	215	0	215	215	0	215 ( 4 Oct)	2	1	4 Oct	4 Oct
6.	Shoveler	0	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (26 Nov)	2	1	26 Nov	26 Nov
7.	Mallard	0	0	0	0	2	0	0	0	0	0	0	2	0	2	2 (19 May)	2	1	19 May	19 May
8.	Pintail	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (24 Oct)	2	1	24 Oct	24 Oct
9.	Green-winged Teal	0	0	0	0	0	0	0	0	0	11	15	26	26	0	15 (26 Nov)	6	3	15 Oct	26 Nov
10.	Scaup	0	0	0	0	0	0	0	0	0	9	4	13	13	0	8 (24 Oct)	6	3	23 Oct	16 Nov
11.	Greater / Lesser Scaup	0	0	0	0	0	0	0	0	0	237	0	237	195	42	155 (12 Oct)	6	3	5 Oct	23 Oct
12.	Surf Scoter	38	14	52	152	58	0	0	0	0	506	234	1054	781	273	395 (24 Oct)	63	32	27 Jan	26 Nov
13.	White-winged Scoter	0	0	0	0	1	0	0	0	0	2	1	4	3	1	2 (24 Oct)	6	3	1 May	14 Nov
14.	Long-tailed Duck	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 ( 2 Apr)	2	1	2 Apr	2 Apr
15.	Goldeneye	0	0	0	0	0	0	0	0	0	0	4	4	4	0	4 (18 Nov)	2	1	18 Nov	18 Nov
16.	Red-breasted Merganser	0	0	0	3	2	0	0	0	0	0	4	9	4	5	4 (18 Nov)	6	3	15 Apr	18 Nov
17.	Vaux's Swift	0	0	0	0	0	0	0	0	0	79	0	79	79	0	65 ( 4 Oct)	4	2	4 Oct	5 Oct
18.	Band-tailed Pigeon	0	0	1	0	0	0	0	0	0	1833	0	1834	1834	0	825 (25 Oct)	20	10	13 Mar	25 Oct
19.	Collared Dove	0	5	0	1	0	0	0	0	0	0	0	6	0	6	5 (17 Feb)	4	2	17 Feb	14 Apr
20.	Red-necked Grebe	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (22 Feb)	2	1	22 Feb	22 Feb
21.	Slavonian Grebe	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (24 Oct)	2	1	24 Oct	24 Oct
22.	Western Grebe	0	0	0	9	0	0	0	0	0	0	0	9	0	9	5 (30 Apr)	6	3	15 Apr	30 Apr
23.	Black Oystercatcher	1	0	2	1	0	0	0	0	0	1	0	5	0	5	1 (28 Jan)	10	5	28 Jan	6 Oct
24.	Grey Plover	0	0	0	0	0	0	0	1	0	2	0	3	3	0	1 (10 Aug)	6	3	10 Aug	16 Oct
25.	Semipalmated Plover	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (10 Aug)	2	1	10 Aug	10 Aug
26.	Killdeer	0	0	0	0	0	0	0	0	0	15	0	15	15	0	14 ( 5 Oct)	4	2	5 Oct	24 Oct
27.	Hudsonian Whimbrel	0	0	0	37	4	0	0	0	0	0	0	41	2	39	15 (15 Apr)	18	9	2 Apr	1 May
28.	Long-billed Curlew	0	0	0	1	0	0	0	1	0	0	3	5	5	0	2 (18 Nov)	8	4	2 Apr	18 Nov
29.	Marbled Godwit	0	0	0	0	0	0	0	0	0	6	0	6	0	6	6 (13 Oct)	2	1	13 Oct	13 Oct
30.	Dunlin	0	0	0	0	0	0	0	0	0	6	0	6	6	0	3 (12 Oct)	4	2	12 Oct	15 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Least Sandpiper	0	0	0	0	0	0	0	1	0	0	12	13	13	0	12 (16 Nov)	4	2	10 Aug	16 Nov
32.	Western Sandpiper	0	0	0	43	0	0	0	33	0	0	0	76	33	43	43 (23 Apr)	4	2	23 Apr	10 Aug
33.	dowitcher sp.	0	0	0	26	0	0	0	0	0	0	0	26	0	26	26 (23 Apr)	2	1	23 Apr	23 Apr
34.	Grey Phalarope	1	0	0	0	0	0	0	0	0	0	0	1	1	0	1 (13 Jan)	2	1	13 Jan	13 Jan
35.	Greater Yellowlegs	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (24 Oct)	2	1	24 Oct	24 Oct
36.	Black Skimmer	2	0	0	0	0	0	0	0	0	0	0	2	2	0	2 (13 Jan)	2	1	13 Jan	13 Jan
37.	Bonaparte's Gull	0	0	0	0	0	0	0	0	0	11	85	96	96	0	84 (18 Nov)	8	4	24 Oct	18 Nov
38.	Heermann's Gull	0	0	0	0	0	0	0	5	0	199	80	284	280	4	105 (15 Oct)	31	16	10 Aug	27 Nov
39.	Mew Gull ssp brachyrhynchus	43	181	18	0	0	0	0	0	0	29	0	271	164	107	85 (22 Feb)	29	15	13 Jan	25 Oct
40.	Short-billed Gull	0	0	0	0	0	0	0	0	0	1	298	299	299	0	265 (18 Nov)	16	8	5 Oct	26 Nov
41.	Ring-billed Gull	5	2	6	1	0	0	0	0	0	12	19	45	42	3	4 (21 Nov)	47	24	26 Jan	27 Nov
42.	California Gull	284	874	411	116	68	110	0	8	0	707	1045	3623	3341	282	790 (18 Nov)	96	49	13 Jan	27 Nov
43.	Glaucous-winged Gull	136	149	103	14	0	0	0	0	0	25	301	728	630	98	95 (27 Nov)	75	38	13 Jan	27 Nov
44.	Western Gull	254	261	1198	347	137	33	0	50	0	183	378	2841	2034	807	960 (14 Mar)	92	47	13 Jan	27 Nov
45.	Western x Glaucous-winged Gull	0	0	0	0	0	0	0	0	0	0	3	3	3	0	3 (14 Nov)	2	1	14 Nov	14 Nov
46.	Thayer's Gull	63	91	19	0	0	0	0	0	0	9	50	232	182	50	49 ( 3 Feb)	49	25	13 Jan	27 Nov
47.	American Herring Gull	4	47	7	0	0	0	0	0	0	52	118	228	222	6	47 (24 Oct)	45	23	13 Jan	27 Nov
48.	large gull sp.	50	0	0	0	0	0	0	0	0	0	0	50	0	50	50 (29 Jan)	2	1	29 Jan	29 Jan
49.	Caspian Tern	0	0	94	216	91	0	0	6	0	0	0	407	12	395	99 ( 3 Apr)	33	17	5 Mar	10 Aug
50.	Elegant Tern	0	0	0	661	0	0	0	4	0	195	47	907	136	771	369 ( 3 Apr)	33	17	2 Apr	18 Nov
51.	Arctic Skua	0	0	0	0	0	0	0	0	0	14	3	17	17	0	4 (16 Oct)	16	8	6 Oct	18 Nov
52.	Guillemot	2	60	666	3115	37	4	0	0	0	1	42	3927	1385	2542	800 (23 Apr)	61	31	27 Jan	26 Nov
53.	Pigeon Guillemot	0	0	0	7	7	0	0	0	0	0	0	14	1	13	7 ( 1 May)	10	5	15 Apr	1 May
54.	Red-throated Diver	64	814	430	440	0	0	0	0	0	19	321	2088	444	1644	264 ( 3 Feb)	75	38	13 Jan	27 Nov
55.	Pacific Loon	0	0	0	56	15	0	0	0	0	1	0	72	1	71	40 (17 Apr)	12	6	14 Apr	9 Oct
56.	Great Northern Diver	0	1	0	24	6	0	0	0	0	1	0	32	2	30	10 (17 Apr)	20	10	3 Feb	6 Oct
57.	Brandt's Cormorant	145	246	182	2313	200	60	0	16	0	267	214	3643	2127	1516	740 (23 Apr)	90	46	13 Jan	27 Nov
58.	Pelagic Cormorant	7	24	26	40	9	2	0	0	0	4	7	119	29	90	11 (17 Apr)	61	31	28 Jan	27 Nov
59.	Double-crested Cormorant	6	7	18	31	2	0	0	0	0	84	136	284	223	61	57 (17 Nov)	71	36	13 Jan	27 Nov
60.	Great Blue Heron	0	0	0	0	0	1	0	0	0	2	0	3	2	1	2 ( 9 Oct)	4	2	1 Jun	9 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Great White Egret	0	0	2	0	1	0	0	0	0	2	2	7	5	2	2 ( 4 Oct)	10	5	14 Mar	17 Nov
62.	Snowy Egret	0	0	1	18	1	2	0	2	0	0	0	24	8	16	6 (15 Apr)	20	10	23 Mar	10 Aug
63.	Brown Pelican	152	6	0	134	626	1670	0	98	0	3721	1312	7719	2888	4831	1670 ( 1 Jun)	65	33	13 Jan	27 Nov
64.	Sharp-shinned Hawk	0	0	0	0	0	0	0	0	0	9	0	9	9	0	5 ( 4 Oct)	8	4	4 Oct	25 Oct
65.	Cooper's Hawk	0	1	1	0	0	0	0	0	0	1	0	3	2	1	1 (17 Feb)	6	3	17 Feb	4 Oct
66.	Bald Eagle	0	1	1	0	0	1	0	0	0	0	0	3	2	1	1 (27 Feb)	6	3	27 Feb	1 Jun
67.	Broad-winged Hawk	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 4 Oct)	2	1	4 Oct	4 Oct
68.	Merlin	0	0	0	0	0	0	0	0	0	3	1	4	4	0	1 ( 5 Oct)	8	4	5 Oct	16 Nov
69.	American Crow	0	11	38	9	0	0	0	0	0	11	0	69	2	67	10 ( 5 Mar)	25	13	17 Feb	15 Oct
70.	Tree Swallow	23	43	1	7	0	0	0	0	0	0	3	77	26	51	41 (19 Feb)	16	8	28 Jan	21 Nov
71.	Violet-green Swallow	0	0	4	10	0	0	0	0	0	447	0	461	447	14	161 (16 Oct)	20	10	13 Mar	16 Oct
72.	Northern Rough-winged Swallow	0	0	0	1	0	0	0	5	0	0	0	6	5	1	5 (10 Aug)	4	2	14 Apr	10 Aug
73.	Swallow	2	0	1	0	0	0	0	1	0	2	0	6	3	3	2 (26 Jan)	8	4	26 Jan	12 Oct
74.	Starling	0	0	0	0	0	0	0	0	0	3	0	3	0	3	3 ( 6 Oct)	2	1	6 Oct	6 Oct
75.	American Robin	0	0	12	0	0	0	0	0	0	0	2	14	2	12	11 ( 6 Mar)	6	3	6 Mar	26 Nov
76.	Buff-bellied Pipit	0	0	0	0	0	0	0	0	0	29	12	41	41	0	21 ( 4 Oct)	6	3	4 Oct	17 Nov
77.	Lesser Goldfinch	0	10	24	0	0	0	0	0	0	0	0	34	0	34	24 ( 6 Mar)	4	2	19 Feb	6 Mar
78.	Pine Siskin	0	0	0	0	0	0	0	0	0	87	0	87	87	0	37 (12 Oct)	8	4	4 Oct	16 Oct
79.	Western Meadowlark	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 9 Oct)	2	1	9 Oct	9 Oct
80.	Tricolored Blackbird	0	0	0	0	0	0	0	0	0	8	0	8	0	8	7 (12 Oct)	4	2	12 Oct	25 Oct
81.	Red-winged Blackbird	0	0	0	0	0	0	0	0	0	35	0	35	32	3	26 ( 4 Oct)	12	6	4 Oct	25 Oct
82.	Yellow-rumped Warbler (Audubon's)	0	0	0	0	0	0	0	0	0	2	1	3	3	0	2 (25 Oct)	4	2	25 Oct	26 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	1282	2849	3324	7858	1267	1883	0	232	0	9139	4790	32624	18551	14073		100	51
	Observation hours	13:10	15:30	23:45	22:35	6:35	3:10	0:00	3:15	0:00	39:20	30:05	157:25

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Trektellen

Totals Rodeo Lagoon Seawatch (CA) 2023