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Top hotspots

Top regions sorted by number of observed species
Rank Region Species Species
1 Southeast Farallon Island (Farallon Islands NWR, restricted access)
435
2 Andrew Molera SP--Big Sur River mouth
362
3 Pt. Pinos--general (sea & shore Coral to Jewell, Crespi Pond & cypresses)
351
4 Furnace Creek Ranch--The Ranch at Death Valley
349
5 Arcata Marsh and Wildlife Sanctuary
339
6 Galileo Hill--Silver Saddle Ranch and Club
338
7 Salton Sea--south end (please use more specific locations)
338
8 IRWD San Joaquin Marsh & Wildlife Sanctuary, Irvine
332
9 Bodega Bay--harbor and immediate vicinity
328
10 Rodeo Lagoon
322
11 Malibu Lagoon--State Beach including Lagoon
319
12 Pt. Mugu Naval Air Station (restricted access)
319
13 San Jacinto Wildlife Area
318
14 Huntington Central Park
316
15 Piute Ponds (permit required)
315
16 Pt. Reyes--Fish Docks (DO NOT INCLUDE Chimney Rock area)
312
17 Hayward Regional Shoreline
309
18 Bolinas Lagoon
305
19 Desert Center--Lake Tamarisk
304
20 Huntington Central Park--East
303
21 Ano Nuevo SP--Visitors Center, Elephant Seals and trails
301
22 Fort Rosecrans National Cemetery (no birding 8a-5p)
301
23 Pt. Reyes--Abbotts Lagoon
300
24 Bolsa Chica Ecological Reserve
297
25 Moonglow Dairy (Fri-Sun only; closed Mon-Thur)
297
26 Frank G. Bonelli RP/Puddingstone Reservoir and vicinity
296
27 California City Central Park
295
28 Carmel River--Hwy 1 riparian (wading) and/or permit-only Odello
294
29 Pt. Reyes--Lighthouse
294
30 Ventura Settling Ponds
294
31 Harper Dry Lake
293
32 Pescadero Marsh and Natural Preserve--(east of Hwy 1 only)
293
33 China Lake NAWS--Sewage Ponds (restricted access)
292
34 Coyote Hills Regional Park
292
35 Ken Malloy Harbor Regional Park
292
36 Coal Oil Point Reserve--Devereux Slough
290
37 Pt. Reyes--Drakes Beach (DO NOT INCLUDE Horseshoe Pond or beach/estero beyond Horseshoe Pond)
290
38 Hansen Dam
288
39 Salton Sea--Whitewater River Delta (restricted access)
288
40 Oso Flaco Lake (not for beach/ocean)
287
41 Carmel River SB (beach, lagoon, and/or Cross Hill)
286
42 Natural Bridges SB
286
43 Sepulveda Basin--East of Woodley Ave
286
44 Santa Clara River Estuary
283
45 Pillar Point Harbor
281
46 Salton Sea--north end (please consider using a more specific location)
281
47 Lake Merced
280
48 Sonny Bono Salton Sea NWR--Union Tract / Visitor Center
280
49 Pt. Mugu SP--Sycamore Canyon
279
50 Pt. Reyes Bird Observatory--Palomarin
278
51 Pt. Reyes--HISTORICAL Outer Point (PRE-1990s ONLY)
278
52 Deep Springs College (restricted access/advanced permission required)
277
53 Presidio--Battery Godfrey
277
54 Ocean Beach County Park and Santa Ynez River Estuary
276
55 Pismo SB--Oceano Campground
276
56 Pt. Dume
276
57 Pt. Pinos--seawatch only
276
58 Campbell Cove and Hole in the Head - ONLY
275
59 San Diego River mudflats & Robb Field
275
60 San Elijo Lagoon--west
274
61 Madrona Marsh
273
62 Peck Rd. Water Conservation Park
273
63 Bolinas Lagoon--Pine Gulch
272
64 Harriett M. Wieder Regional Park, Huntington Beach
272
65 Huntington Central Park--West
272
66 Pt. Reyes--Mendoza Ranch (B Ranch)
272
67 Salinas WTP (permit access only)
272
68 Yolo Bypass Wildlife Area
272
69 Cabrillo NM
271
70 Salton Sea--Wister Unit
270
71 Mojave Narrows Regional Park
269
72 Mono Lake County Park
269
73 Palo Alto Baylands
269
74 Pecho Road Willows
269
75 San Jacinto Wildlife Area--Mystic Lake
269
76 Moss Landing--Jetty Road, north jetty & State Beach
267
77 San Simeon SP
267
78 Hahamongna Watershed Park (formerly Oak Grove Park)
266
79 Lake Los Carneros Park
266
80 Coyote Point County Park
265
81 Lake Merced--Concrete Bridge area
265
82 Lake Casitas
264
83 McGrath State Beach--general
264
84 Mile Square Regional Park, Fountain Valley
264
85 Pt. Reyes--Nunes Ranch (A Ranch) & Road Forks Pool
264
86 William R Mason Regional Park, Irvine
264
87 Elkhorn Slough Reserve (NERR)
263
88 Laguna Grande Park
263
89 Laguna Lake
263
90 Upper Newport Bay
263
91 Golden Gate Park
262
92 Montana de Oro SP (use a more specific hotspot when possible)
262
93 Santa Barbara Island (SBA Co.)
262
94 Bolsa Chica--walkbridge/inner bay
261
95 Dairy Mart Ponds
261
96 Santa Fe Dam Rec. Area
261
97 Lake Perris State Recreation Area
260
98 Big Morongo Canyon Preserve & Covington Park
259
99 Bonsall/Zuma Canyon
259
100 Morro Bay Estuary (use more specific location(s) when possible)
259