Alviso Marina County Park (please use a specific pond hotspot where possible)

Recent Visits

Checklists submitted within the last hour are not shown.
Observer Date Species
Aaron Sun 3 Jul 2020 13
Sergey Pavlov 3 Jul 2020 13
Bob Bolles 29 Jun 2020 15
Bob Bolles 29 Jun 2020 20
Bob Bolles 28 Jun 2020 14
Bob Bolles 28 Jun 2020 19
Cedrik von Briel 20 Jun 2020 16
Domo De Bryl 20 Jun 2020 16
Noriyuki Yokouchi 20 Jun 2020 17
Mike Ambrose 19 Jun 2020 12
More Recent Visits...

Top eBirders

Updated 7 sec ago.
1 Jasen Liu
136
2 David Nickerson
131
3 Gena Zolotar
128
4 Will Brooks
126
5 Brooke Miller
123
6 Garrett Lau
116
7 Bill Pelletier
114
8 Bob Dunn
109
9 Patricia Lynch
104
10 Jason Vassallo
101

222 Species 1601 Checklists

Updated 7 sec ago.
Species Name Count Date By
1 Anna's Hummingbird 1 3 Jul 2020 Aaron Sun
2 California Gull 20 3 Jul 2020 Aaron Sun
3 Caspian Tern 2 3 Jul 2020 Aaron Sun
4 Forster's Tern 1 3 Jul 2020 Aaron Sun
5 Black Phoebe 1 3 Jul 2020 Aaron Sun
6 Common Raven 1 3 Jul 2020 Aaron Sun
7 Barn Swallow 10 3 Jul 2020 Aaron Sun
8 Cliff Swallow 5 3 Jul 2020 Aaron Sun
9 Marsh Wren 1 3 Jul 2020 Aaron Sun
10 Northern Mockingbird 2 3 Jul 2020 Aaron Sun
11 Savannah Sparrow 3 3 Jul 2020 Aaron Sun
12 Song Sparrow 1 3 Jul 2020 Aaron Sun
13 Common Yellowthroat 3 3 Jul 2020 Aaron Sun
14 White-throated Swift 1 29 Jun 2020 Bob Bolles
15 Double-crested Cormorant 3 29 Jun 2020 Bob Bolles
16 Great Blue Heron 1 29 Jun 2020 Bob Bolles
17 Turkey Vulture 2 29 Jun 2020 Bob Bolles
18 Northern Rough-winged Swallow 50 29 Jun 2020 Bob Bolles
19 Bushtit 2 29 Jun 2020 Bob Bolles
20 House Finch 2 29 Jun 2020 Bob Bolles
21 Rock Pigeon 1 29 Jun 2020 Bob Bolles
22 Eurasian Collared-Dove 4 29 Jun 2020 Bob Bolles
23 Black-crowned Night-Heron 1 29 Jun 2020 Bob Bolles
24 Bewick's Wren 2 29 Jun 2020 Bob Bolles
25 European Starling 47 29 Jun 2020 Bob Bolles
26 Lesser Goldfinch 1 29 Jun 2020 Bob Bolles
27 Bullock's Oriole 1 29 Jun 2020 Bob Bolles
28 Red-winged Blackbird 50 29 Jun 2020 Bob Bolles
29 Brown-headed Cowbird 1 29 Jun 2020 Bob Bolles
30 Black-necked Stilt 21 28 Jun 2020 Bob Bolles
31 Mallard 2 28 Jun 2020 Bob Bolles
32 Mourning Dove 1 28 Jun 2020 Bob Bolles
gull sp. 7 28 Jun 2020 Bob Bolles
33 American White Pelican 1 28 Jun 2020 Bob Bolles
34 Northern Harrier 1 28 Jun 2020 Bob Bolles
35 American Crow 1 28 Jun 2020 Bob Bolles
36 Canada Goose 2 20 Jun 2020 Cedrik von Briel
37 Ruddy Duck 1 20 Jun 2020 Cedrik von Briel
38 Eared Grebe 1 20 Jun 2020 Cedrik von Briel
39 American Avocet 2 20 Jun 2020 Cedrik von Briel
40 Great Egret 16 20 Jun 2020 Cedrik von Briel
41 Snowy Egret 20 20 Jun 2020 Cedrik von Briel
42 Pied-billed Grebe 1 20 Jun 2020 Noriyuki Yokouchi
43 Gadwall 1 19 Jun 2020 Mike Ambrose
swallow sp. 20 12 Jun 2020 Eve Meier
44 House Sparrow 3 12 Jun 2020 Eve Meier
45 Killdeer 1 9 Jun 2020 Barry Langdon-Lassagne
46 Tree Swallow 1 9 Jun 2020 Barry Langdon-Lassagne
47 California Towhee 4 5 Jun 2020 Brooke Miller
48 Hooded Oriole 1 5 Jun 2020 Brooke Miller
49 White-tailed Kite 1 12 May 2020 Megan Hausler
50 Red-necked Phalarope 2 10 May 2020 Matthew Dodder
51 American Wigeon 6 1 May 2020 David Nickerson
52 Lesser Scaup 4 1 May 2020 David Nickerson
53 Horned Grebe 1 1 May 2020 David Nickerson P
 
54 Western Grebe 1 1 May 2020 David Nickerson
55 Virginia Rail 1 1 May 2020 David Nickerson
56 American Coot 2 1 May 2020 David Nickerson
57 Snowy Plover 2 1 May 2020 David Nickerson P
 
58 Semipalmated Plover 2 1 May 2020 David Nickerson N
 
59 Whimbrel 9 1 May 2020 David Nickerson N
 
60 Long-billed Curlew 4 1 May 2020 David Nickerson N
 
61 Marbled Godwit 2 1 May 2020 David Nickerson N
 
62 Dunlin 17 1 May 2020 David Nickerson
63 Least Sandpiper 1 1 May 2020 David Nickerson
64 Western Sandpiper 300 1 May 2020 David Nickerson
peep sp. 1400 1 May 2020 David Nickerson N
 
65 Greater Yellowlegs 1 1 May 2020 David Nickerson
66 Ring-billed Gull 2 1 May 2020 David Nickerson
67 Cedar Waxwing 14 1 May 2020 David Nickerson N
 
68 Great-tailed Grackle 1 1 May 2020 Brooke Miller
69 Common Gallinule 1 24 Apr 2020 Mike Ambrose
70 Peregrine Falcon 1 24 Apr 2020 Mike Ambrose
71 Common Goldeneye 1 22 Apr 2020 Barry Langdon-Lassagne P
 
Greater/Lesser Yellowlegs 8 22 Apr 2020 Barry Langdon-Lassagne P
 
72 Western Gull 1 22 Apr 2020 Virginia Langdon-Lassagne
73 White-crowned Sparrow 1 22 Apr 2020 Barry Langdon-Lassagne
74 American Pipit 1 16 Apr 2020 Mike Ambrose
75 Cooper's Hawk 1 15 Apr 2020 Ellyn Corey
76 American Robin 2 15 Apr 2020 Ellyn Corey
77 American Goldfinch 2 15 Apr 2020 Ellyn Corey
78 Yellow-rumped Warbler 1 15 Apr 2020 Ellyn Corey
79 Northern Shoveler 10 10 Apr 2020 Mike Ambrose
80 Greater Scaup 1 10 Apr 2020 Mike Ambrose
Greater/Lesser Scaup 20 10 Apr 2020 Mike Ambrose
81 Bufflehead 2 10 Apr 2020 Mike Ambrose
82 Sora 2 10 Apr 2020 Mike Ambrose
83 Willet 5 10 Apr 2020 Mike Ambrose
84 Golden-crowned Sparrow 3 10 Apr 2020 Mike Ambrose
85 Lincoln's Sparrow 1 3 Apr 2020 Pete Dunten
86 Red-breasted Merganser 2 2 Apr 2020 Mike Ambrose
87 Clark's Grebe 2 2 Apr 2020 Mike Ambrose
88 Violet-green Swallow 5 2 Apr 2020 Mike Ambrose
89 Brewer's Blackbird 1 2 Apr 2020 Mike Ambrose
90 Short-billed Dowitcher 1 31 Mar 2020 Garrett Lau N
 
91 Long-billed Dowitcher 4 27 Mar 2020 Steve Rottenborn
92 Herring Gull 1 27 Mar 2020 Steve Rottenborn
93 Merlin 1 27 Mar 2020 Steve Rottenborn N
 
94 Band-tailed Pigeon 4 26 Mar 2020 Ellyn Corey
95 Say's Phoebe 1 26 Mar 2020 Ellyn Corey
96 Sanderling 4 26 Mar 2020 Kevin Gin
Larus sp. 150 26 Mar 2020 Kevin Gin N
 
97 Glaucous-winged Gull 1 17 Mar 2020 Mike Ambrose
98 California Scrub-Jay 2 12 Mar 2020 Andy N
99 Red-tailed Hawk 1 12 Mar 2020 Steve Rottenborn
100 Swamp Sparrow 1 12 Mar 2020 Steve Rottenborn N
 
101 Mew Gull 1 26 Feb 2020 Steve Rottenborn
102 Northern Pintail 6 21 Feb 2020 Bill Pelletier
103 Green-winged Teal 2 21 Feb 2020 Bill Pelletier
104 Canvasback 12 21 Feb 2020 Bill Pelletier
105 Wilson's Snipe 2 21 Feb 2020 Bill Pelletier
106 Bonaparte's Gull 6 21 Feb 2020 Bill Pelletier
107 Bald Eagle 1 21 Feb 2020 Bill Pelletier
108 Red-shouldered Hawk 1 21 Feb 2020 Bill Pelletier
109 Ruby-crowned Kinglet 1 21 Feb 2020 Bill Pelletier
110 Fox Sparrow 1 21 Feb 2020 Bill Pelletier
111 Spotted Towhee 1 21 Feb 2020 Bill Pelletier
112 Western Meadowlark 4 21 Feb 2020 Bill Pelletier
113 American Kestrel 1 3 Feb 2020 Garrett Lau P
 
hummingbird sp. 1 28 Jan 2020 Bob Bolles
Short-billed/Long-billed Dowitcher 60 28 Jan 2020 Bob Bolles
114 Ridgway's Rail 1 25 Jan 2020 Alan Troyer
115 Short-eared Owl 1 23 Jan 2020 Steve Rottenborn N
 
116 Iceland Gull 3 23 Jan 2020 Steve Rottenborn
Mallard (Domestic type) 4 20 Jan 2020 Gordon Fitch
117 Redhead 6 20 Jan 2020 Gordon Fitch
Western x Glaucous-winged Gull (hybrid) 4 20 Jan 2020 Gordon Fitch
118 Orange-crowned Warbler 1 20 Jan 2020 Gordon Fitch
Herring x Glaucous-winged Gull (hybrid) 2 10 Jan 2020 Casey Girard
119 Sharp-shinned Hawk 1 10 Jan 2020 Don Glasco N
 
120 Wrentit 1 10 Jan 2020 Don Glasco
Zonotrichia sp. 5 10 Jan 2020 Don Glasco
Calidris sp. X 14 Dec 2019 Ryan Marsh
121 Belted Kingfisher 1 19 Oct 2019 Monica N
122 Wilson's Warbler 1 17 Oct 2019 Anonymous eBirder N
 
Tree/Violet-green Swallow 2 3 Oct 2019 Frank Mantlik
123 Vaux's Swift 4 30 Sep 2019 Marty Herde
124 Lesser Yellowlegs 3 30 Sep 2019 Marty Herde
Western/Clark's Grebe 5 29 Sep 2019 Amarilys Lebron
125 Elegant Tern 5 29 Sep 2019 Amarilys Lebron
126 Brown Pelican 75 29 Sep 2019 Amarilys Lebron
127 House Wren 2 28 Sep 2019 Richard Jeffers
128 Western Bluebird 3 15 Sep 2019 Kitty ONeil
129 Black Skimmer 3 24 Aug 2019 Anonymous eBirder
130 Hutton's Vireo 1 24 Aug 2019 Anonymous eBirder
sparrow sp. 2 31 Jul 2019 Bob Bolles
131 Golden Eagle 1 16 Jul 2019 Jonah Benningfield
132 Nuttall's Woodpecker 1 16 Jul 2019 Ryan Zucker
133 Wilson's Phalarope 7 14 Jul 2019 Adrian Hinkle
134 Black-bellied Plover 8 12 Jul 2019 James Purcell
135 Osprey 1 31 May 2019 Eve Meier
136 Ring-necked Pheasant 1 19 May 2019 Garrett Lau N
 
137 Acorn Woodpecker 1 2 May 2019 Joe Yuhas
138 Western Kingbird 2 2 May 2019 Joe Yuhas
139 Chipping Sparrow 1 1 May 2019 Joe Yuhas
tern sp. 1 1 May 2019 Wim van Dam
140 Chestnut-backed Chickadee 1 27 Apr 2019 Kitty ONeil
141 Spotted Sandpiper 1 24 Apr 2019 Marty Herde
142 Blue-winged Teal 1 5 Apr 2019 Kitty ONeil
Common/Barrow's Goldeneye 5 5 Apr 2019 Courtney Kelly Jett
duck sp. 2000 5 Apr 2019 Courtney Kelly Jett N
 
Horned/Eared Grebe 5 5 Apr 2019 Courtney Kelly Jett
crow/raven sp. 2 5 Apr 2019 Courtney Kelly Jett N
 
blackbird sp. 1 5 Apr 2019 Courtney Kelly Jett
warbler sp. (Parulidae sp.) 1 5 Apr 2019 Courtney Kelly Jett
passerine sp. 5 5 Apr 2019 Courtney Kelly Jett N
 
143 Greater White-fronted Goose 1 2 Feb 2019 John Rodgers P
 
144 Eurasian Wigeon 1 2 Feb 2019 John Rodgers
145 Ring-necked Duck 5 2 Feb 2019 John Rodgers
146 Surf Scoter 5 2 Feb 2019 John Rodgers
147 White-throated Sparrow 1 11 Jan 2019 Bill Walker
148 Cinnamon Teal 1 2 Jan 2019 Barry Langdon-Lassagne
149 Loggerhead Shrike 1 1 Jan 2019 Jeffrey Gray P
 
150 Dark-eyed Junco 2 29 Oct 2018 Genna DeVries
151 Northern Flicker 1 13 Oct 2018 Jennifer Rycenga
152 California Thrasher 5 7 Oct 2018 Craig Fisk
153 Common Tern 1 2 Oct 2018 Jason Vassallo P
 
154 Hermit Thrush 1 2 Oct 2018 Jason Vassallo
155 Yellow Warbler 1 23 Sep 2018 Steve Tucker
156 Common Merganser 1 23 Sep 2018 Domo De Bryl
157 Pectoral Sandpiper 1 16 Sep 2018 Peder Svingen
shorebird sp. 600 14 Sep 2018 Jason Vassallo N
 
158 Willow Flycatcher 1 11 Sep 2018 Tom Johnson
159 Bobolink 2 11 Sep 2018 Tom Johnson A
 
160 Lazuli Bunting 4 11 Sep 2018 Tom Johnson P
 
phalarope sp. X 1 Sep 2018 Sean Geary N
 
161 American Bittern 1 25 Aug 2018 Liam Waters P
 
162 Baird's Sandpiper 1 18 Aug 2018 Adrian Hinkle N
 
163 Tricolored Blackbird 2 11 Aug 2018 Steve Tucker P
 
Sharp-shinned/Cooper's Hawk 1 8 Aug 2018 Allison fluty
164 Green Heron 1 1 Aug 2018 Marty Herde
165 Bank Swallow 2 29 Jul 2018 Ralph Baker N
 
Domestic goose sp. (Domestic type) 2 21 Apr 2018 linda sullivan
166 Cackling Goose 1 21 Apr 2018 linda sullivan
167 Lark Sparrow 1 12 Apr 2018 Joachim Bertrands
168 Rufous Hummingbird 1 26 Mar 2018 Ryan Phillips N
 
169 Burrowing Owl 4 15 Feb 2018 Ellyn Corey P
 
Eurasian x American Wigeon (hybrid) 1 1 Feb 2018 Jason Vassallo N
 
170 Pelagic Cormorant 1 1 Feb 2018 Jason Vassallo P
 
171 Brewer's Sparrow 1 19 Sep 2017 Matthew Dodder N
 
172 Warbling Vireo 1 18 Sep 2017 Kitty ONeil
173 Pacific-slope Flycatcher 1 18 Sep 2017 Garrett Lau P
 
174 Barn Owl 1 3 Sep 2017 Mike Buccieri
175 Oak Titmouse 1 23 Apr 2017 Jennifer Rycenga
176 Long-tailed Duck 1 3 Apr 2017 David Nickerson P
 
177 Wild Turkey 4 16 Mar 2017 Jim Thomas
178 Red Phalarope 1 22 Dec 2016 Patricia Lynch N
 
179 Downy Woodpecker 1 3 Dec 2016 Becca Nelson
180 Tundra Swan 10 3 Dec 2016 Chris Johnson P
 
181 Barrow's Goldeneye 1 3 Dec 2016 Chris Johnson P
 
182 Lesser Black-backed Gull 1 12 Nov 2016 Bob Toleno P
 
183 Prairie Falcon 1 3 Nov 2016 David Nickerson P
 
184 Ruff 1 4 Sep 2016 Jasen Liu N
 
185 Stilt Sandpiper 1 4 Sep 2016 Jasen Liu N
 
186 Least Tern 2 3 Sep 2016 Sean MacLiam
Rufous/Allen's Hummingbird 1 24 Jul 2016 Janet Kelly
187 Little Stint 1 4 May 2016 Patricia Lynch N
 
white egret sp. 1 3 May 2016 Will Brooks P
 
188 Western Tanager 1 1 May 2016 Chris Johnson N
 
189 Ash-throated Flycatcher 2 28 Apr 2016 Maggie Smith N
 
190 Glaucous Gull 1 20 Feb 2016 Will Brooks P
 
falcon sp. 1 28 Dec 2015 Gordon Fitch
191 White-faced Ibis 4 27 Sep 2015 Jane Jordan N
 
192 Curlew Sandpiper 1 12 Sep 2015 Jasen Liu N
 
193 Western Wood-Pewee 1 1 Sep 2015 Nancy Teater
Buteo sp. 1 1 Sep 2015 Jeff Bleam
194 Semipalmated Sandpiper 1 30 Aug 2015 Jasen Liu P
 
195 Red Knot 4 27 Aug 2015 Brooke Miller
196 Ruddy Turnstone 1 18 Jul 2015 Jasen Liu N
 
197 Black Oystercatcher 1 17 Jun 2015 Marc Chelemer N
 
198 Common Loon 1 9 May 2015 Gena Zolotar N
 
199 Black Turnstone 1 28 Nov 2014 Brooke Miller N
 
200 Pacific Golden-Plover 2 24 Aug 2014 Jasen Liu N
 
201 Black Tern 2 20 Aug 2014 David Nickerson P
 
Black-bellied Plover/golden-plover sp. 3 16 Aug 2014 Rudyard Wallen N
 
202 Grasshopper Sparrow 1 23 Jul 2014 Jeff Bleam
203 Bar-tailed Godwit 1 17 Nov 2013 Juli Chamberlin P
 
204 Pigeon Guillemot 1 3 Aug 2013 Garrett Lau P
 
205 Yellow-headed Blackbird X 25 Apr 2009 Anonymous eBirder
206 Hooded Merganser 2 10 Nov 2007 Ken Schneider N
 
207 Brown Booby 1 21 Oct 2007 Carol Greenstreet N
 
208 Vesper Sparrow X 23 Sep 2007 Eric Goodill
209 Sharp-tailed Sandpiper 1 13 Dec 2006 Eric Goodill
210 Buff-breasted Sandpiper 1 7 Sep 2005 Richard Cimino
211 Greater Roadrunner 1 5 Mar 2005 Matt Brady
212 Ferruginous Hawk X 19 Jan 2004 Joelle Buffa Clyde Morris N
 
213 Red-breasted Sapsucker 1 14 Dec 2003 PAUL PICKERING N
 
214 Little Blue Heron X 15 Jul 2000 Joelle Buffa Clyde Morris N
 
215 Heermann's Gull 1 19 Nov 1998 Steve Rottenborn N
 
216 Franklin's Gull 1 25 Jun 1998 Steve Rottenborn N
 
217 White-winged Scoter 1 4 Mar 1998 Steve Rottenborn N
 
218 Sabine's Gull 1 11 Oct 1997 Bob Dunn N
 
219 Tropical Kingbird 1 11 Oct 1997 Bob Dunn N
 
220 Ross's Goose 1 15 Nov 1995 Bruce Deuel
221 Chimney Swift 1 11 Sep 1995 John Sterling
222 Cattle Egret X 21 Dec 1986 Richard Carlson