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

Recent Visits

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Observer Date Species
Sergio Perez 15 Feb 2020 18
Patricia Lynch 14 Feb 2020 15
Tom Cho 13 Feb 2020 6
Tom Cho 12 Feb 2020 10
Garrett Lau 11 Feb 2020 10
Chris Daniels 10 Feb 2020 12
Keith Pankhurst 7 Feb 2020 18
Eve Meier 4 Feb 2020 5
Garrett Lau 3 Feb 2020 2
logan kahle 30 Jan 2020 5
More Recent Visits...

Top eBirders

Updated 9 sec ago.
1 Jasen Liu
136
2 David Nickerson
130
3 Gena Zolotar
128
4 Will Brooks
126
5 Brooke Miller
123
6 Garrett Lau
115
7 Bob Dunn
109
8 Patricia Lynch
104
9 Jason Vassallo
101
10 Bill Pelletier
100

221 Species 1521 Checklists

Updated 9 sec ago.
Species Name Count Date By
1 Canada Goose 2 15 Feb 2020 Sergio Perez
2 Mallard 6 15 Feb 2020 Sergio Perez
3 Mourning Dove 1 15 Feb 2020 Sergio Perez
4 Sora 2 15 Feb 2020 Sergio Perez
5 Greater Yellowlegs 1 15 Feb 2020 Sergio Perez
6 California Gull 4 15 Feb 2020 Sergio Perez
7 Great Blue Heron 1 15 Feb 2020 Sergio Perez
8 Northern Harrier 1 15 Feb 2020 Sergio Perez
9 Black Phoebe 2 15 Feb 2020 Sergio Perez
10 Marsh Wren 6 15 Feb 2020 Sergio Perez
11 House Finch 2 15 Feb 2020 Sergio Perez
12 White-crowned Sparrow 6 15 Feb 2020 Sergio Perez
13 Golden-crowned Sparrow 10 15 Feb 2020 Sergio Perez
14 Savannah Sparrow 1 15 Feb 2020 Sergio Perez
15 Song Sparrow 8 15 Feb 2020 Sergio Perez
16 Swamp Sparrow 1 15 Feb 2020 Sergio Perez N
 
17 California Towhee 2 15 Feb 2020 Sergio Perez
18 Common Yellowthroat 2 15 Feb 2020 Sergio Perez
19 Anna's Hummingbird 2 14 Feb 2020 Patricia Lynch
20 Snowy Egret 1 14 Feb 2020 Patricia Lynch
21 White-tailed Kite 1 14 Feb 2020 Patricia Lynch
22 Say's Phoebe 1 14 Feb 2020 Patricia Lynch
23 Common Raven 2 14 Feb 2020 Patricia Lynch
24 Bewick's Wren 1 14 Feb 2020 Patricia Lynch
25 Northern Mockingbird 1 14 Feb 2020 Patricia Lynch
26 Virginia Rail 1 13 Feb 2020 Tom Cho A
 
27 Red-tailed Hawk 1 12 Feb 2020 Tom Cho
28 American Crow 1 12 Feb 2020 Tom Cho
29 Herring Gull 1 11 Feb 2020 Garrett Lau
gull sp. 40 11 Feb 2020 Garrett Lau N
 
30 Bufflehead 1 10 Feb 2020 Chris Daniels
31 Western Grebe 1 10 Feb 2020 Chris Daniels
32 American Coot 4 10 Feb 2020 Chris Daniels
33 Least Sandpiper 6 10 Feb 2020 Chris Daniels
34 Black-crowned Night-Heron 2 10 Feb 2020 Chris Daniels
35 Northern Shoveler 60 7 Feb 2020 Keith Pankhurst
36 American Wigeon 4 7 Feb 2020 Keith Pankhurst
37 American Avocet 17 7 Feb 2020 Keith Pankhurst
38 Double-crested Cormorant 6 7 Feb 2020 Keith Pankhurst
39 American Pipit 2 7 Feb 2020 Keith Pankhurst
40 American Kestrel 1 3 Feb 2020 Garrett Lau P
 
41 Turkey Vulture 1 29 Jan 2020 stephen johnson
42 Yellow-rumped Warbler 5 28 Jan 2020 Steven Brown N
 
hummingbird sp. 1 28 Jan 2020 Bob Bolles
Short-billed/Long-billed Dowitcher 60 28 Jan 2020 Bob Bolles
43 Bushtit 16 28 Jan 2020 Bob Bolles
44 European Starling 7 28 Jan 2020 Bob Bolles
45 Lincoln's Sparrow 1 28 Jan 2020 Bob Bolles
46 Common Gallinule 1 26 Jan 2020 Steven Tracey
47 Canvasback 10 25 Jan 2020 Alan Troyer
48 Greater Scaup 2 25 Jan 2020 Alan Troyer
49 Common Goldeneye 40 25 Jan 2020 Alan Troyer
50 Red-breasted Merganser 3 25 Jan 2020 Alan Troyer
51 Ruddy Duck 75 25 Jan 2020 Alan Troyer
52 Eared Grebe 100 25 Jan 2020 Alan Troyer
53 Ridgway's Rail 1 25 Jan 2020 Alan Troyer
54 Black-necked Stilt 150 25 Jan 2020 Alan Troyer
55 Long-billed Dowitcher 6 25 Jan 2020 Alan Troyer
56 Western Gull 15 25 Jan 2020 Alan Troyer
57 Violet-green Swallow 6 25 Jan 2020 Alan Troyer
58 Killdeer 1 24 Jan 2020 Garrett Lau
59 Mew Gull 1 24 Jan 2020 Garrett Lau
60 Forster's Tern 12 24 Jan 2020 Garrett Lau
61 American White Pelican 25 24 Jan 2020 Garrett Lau
62 Peregrine Falcon 1 24 Jan 2020 Garrett Lau
63 Ring-billed Gull 2 20 Jan 2020 Garrett Lau
Mallard (Domestic type) 4 20 Jan 2020 Gordon Fitch
64 Redhead 6 20 Jan 2020 Gordon Fitch
65 Lesser Scaup 20 20 Jan 2020 Gordon Fitch
Greater/Lesser Scaup 100 20 Jan 2020 Gordon Fitch
66 Pied-billed Grebe 1 20 Jan 2020 Gordon Fitch
peep sp. 8 20 Jan 2020 Gordon Fitch
67 Willet 12 20 Jan 2020 Gordon Fitch
Western x Glaucous-winged Gull (hybrid) 4 20 Jan 2020 Gordon Fitch
Larus sp. 100 20 Jan 2020 Gordon Fitch N
 
68 Great Egret 8 20 Jan 2020 Gordon Fitch
69 Merlin 1 20 Jan 2020 Gordon Fitch
70 Orange-crowned Warbler 1 20 Jan 2020 Gordon Fitch
71 Rock Pigeon 10 20 Jan 2020 Rajan Rao
72 Eurasian Collared-Dove 5 20 Jan 2020 Rajan Rao
73 Cooper's Hawk 1 20 Jan 2020 Rajan Rao
74 Lesser Goldfinch 6 20 Jan 2020 Rajan Rao
75 Great-tailed Grackle 1 20 Jan 2020 Rajan Rao
76 Ruby-crowned Kinglet 1 20 Jan 2020 Tracy Pham
77 Horned Grebe 2 15 Jan 2020 Sergio Perez
78 Western Sandpiper 1 15 Jan 2020 Sergio Perez
79 Glaucous-winged Gull 1 11 Jan 2020 Matthew Dodder
Herring x Glaucous-winged Gull (hybrid) 2 10 Jan 2020 Casey Girard
80 Sharp-shinned Hawk 1 10 Jan 2020 Don Glasco N
 
81 Wrentit 1 10 Jan 2020 Don Glasco
Zonotrichia sp. 5 10 Jan 2020 Don Glasco
82 Bald Eagle 1 9 Jan 2020 Barry Langdon-Lassagne P
 
83 Iceland Gull 3 4 Jan 2020 Matthew Dodder
84 Tree Swallow 1 4 Jan 2020 Matthew Dodder
85 House Sparrow 5 2 Jan 2020 Bill Pelletier
86 Red-winged Blackbird 6 2 Jan 2020 Bill Pelletier
87 Snowy Plover 10 31 Dec 2019 Matthew Dodder N
 
88 Dunlin 100 31 Dec 2019 Matthew Dodder
89 Short-billed Dowitcher 1 24 Dec 2019 Will Brooks
90 Wilson's Snipe 1 24 Dec 2019 Will Brooks
91 Clark's Grebe 3 21 Dec 2019 Carter Gasiorowski
92 Long-billed Curlew 1 21 Dec 2019 Carter Gasiorowski
93 Brewer's Blackbird 3 15 Dec 2019 Steve Rottenborn
Calidris sp. X 14 Dec 2019 Ryan Marsh
94 Fox Sparrow 1 19 Nov 2019 Steve Myers P
 
95 Belted Kingfisher 1 19 Oct 2019 Monica N
96 Brown-headed Cowbird 34 17 Oct 2019 Anonymous eBirder
97 Wilson's Warbler 1 17 Oct 2019 Anonymous eBirder N
 
Tree/Violet-green Swallow 2 3 Oct 2019 Frank Mantlik
98 Vaux's Swift 4 30 Sep 2019 Marty Herde
99 Lesser Yellowlegs 3 30 Sep 2019 Marty Herde
Western/Clark's Grebe 5 29 Sep 2019 Amarilys Lebron
100 White-throated Swift 1 29 Sep 2019 Amarilys Lebron
101 Marbled Godwit 1 29 Sep 2019 Amarilys Lebron
102 Elegant Tern 5 29 Sep 2019 Amarilys Lebron
103 Brown Pelican 75 29 Sep 2019 Amarilys Lebron
104 Barn Swallow 3 29 Sep 2019 Amarilys Lebron
105 House Wren 2 28 Sep 2019 Richard Jeffers
106 Caspian Tern 1 17 Sep 2019 Kitty ONeil
107 Western Bluebird 3 15 Sep 2019 Kitty ONeil
108 Red-necked Phalarope 8 24 Aug 2019 Tatyana Kalani
109 Cliff Swallow 10 24 Aug 2019 Tatyana Kalani
110 Black Skimmer 3 24 Aug 2019 Anonymous eBirder
111 Hutton's Vireo 1 24 Aug 2019 Anonymous eBirder
112 Northern Rough-winged Swallow 2 17 Aug 2019 Virginia Langdon-Lassagne
113 Hooded Oriole 2 9 Aug 2019 Anonymous eBirder
sparrow sp. 2 31 Jul 2019 Bob Bolles
114 Gadwall 3 20 Jul 2019 Ethan Monk
Greater/Lesser Yellowlegs 1 20 Jul 2019 Ethan Monk N
 
115 Semipalmated Plover 25 16 Jul 2019 Jonah Benningfield
116 Golden Eagle 1 16 Jul 2019 Jonah Benningfield
117 Nuttall's Woodpecker 1 16 Jul 2019 Ryan Zucker
118 Wilson's Phalarope 7 14 Jul 2019 Adrian Hinkle
119 Black-bellied Plover 8 12 Jul 2019 James Purcell
120 Whimbrel 5 10 Jun 2019 Garrett Lau P
 
121 Osprey 1 31 May 2019 Eve Meier
122 Ring-necked Pheasant 1 19 May 2019 Garrett Lau N
 
swallow sp. 40 7 May 2019 Hauns Froehlingsdorf
123 Acorn Woodpecker 1 2 May 2019 Joe Yuhas
124 Western Kingbird 2 2 May 2019 Joe Yuhas
125 American Goldfinch 1 2 May 2019 Joe Yuhas
126 Chipping Sparrow 1 1 May 2019 Joe Yuhas
tern sp. 1 1 May 2019 Wim van Dam
127 Western Meadowlark 1 29 Apr 2019 Hauns Froehlingsdorf
128 Chestnut-backed Chickadee 1 27 Apr 2019 Kitty ONeil
129 Bonaparte's Gull 8 25 Apr 2019 John Hurley P
 
130 Spotted Sandpiper 1 24 Apr 2019 Marty Herde
131 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
132 California Scrub-Jay 1 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
 
133 Sanderling 2 7 Feb 2019 Steven Tracey
134 Greater White-fronted Goose 1 2 Feb 2019 John Rodgers P
 
135 Eurasian Wigeon 1 2 Feb 2019 John Rodgers
136 Northern Pintail 1 2 Feb 2019 John Rodgers
137 Green-winged Teal 12 2 Feb 2019 John Rodgers
138 Ring-necked Duck 5 2 Feb 2019 John Rodgers
139 Surf Scoter 5 2 Feb 2019 John Rodgers
140 White-throated Sparrow 1 11 Jan 2019 Bill Walker
141 Cinnamon Teal 1 2 Jan 2019 Barry Langdon-Lassagne
142 Loggerhead Shrike 1 1 Jan 2019 Jeffrey Gray P
 
143 Dark-eyed Junco 2 29 Oct 2018 Genna DeVries
144 Northern Flicker 1 13 Oct 2018 Jennifer Rycenga
145 Red-shouldered Hawk 1 10 Oct 2018 Steve Myers
146 California Thrasher 5 7 Oct 2018 Craig Fisk
147 Common Tern 1 2 Oct 2018 Jason Vassallo P
 
148 Hermit Thrush 1 2 Oct 2018 Jason Vassallo
149 Yellow Warbler 1 23 Sep 2018 Steve Tucker
150 Common Merganser 1 23 Sep 2018 Domo De Bryl
151 Pectoral Sandpiper 1 16 Sep 2018 Peder Svingen
152 Spotted Towhee 1 15 Sep 2018 stevan brad
shorebird sp. 600 14 Sep 2018 Jason Vassallo N
 
153 Willow Flycatcher 1 11 Sep 2018 Tom Johnson
154 Bobolink 2 11 Sep 2018 Tom Johnson A
 
155 Lazuli Bunting 4 11 Sep 2018 Tom Johnson P
 
phalarope sp. X 1 Sep 2018 Sean Geary N
 
156 Bullock's Oriole 1 26 Aug 2018 Ethan Monk P
 
157 American Bittern 1 25 Aug 2018 Liam Waters P
 
158 Baird's Sandpiper 1 18 Aug 2018 Adrian Hinkle N
 
159 Tricolored Blackbird 2 11 Aug 2018 Steve Tucker P
 
Sharp-shinned/Cooper's Hawk 1 8 Aug 2018 Allison fluty
160 Green Heron 1 1 Aug 2018 Marty Herde
161 Bank Swallow 2 29 Jul 2018 Ralph Baker N
 
Domestic goose sp. (Domestic type) 2 21 Apr 2018 linda sullivan
162 Cackling Goose 1 21 Apr 2018 linda sullivan
163 Lark Sparrow 1 12 Apr 2018 Joachim Bertrands
164 American Robin 1 28 Mar 2018 Julie Bowen
165 Rufous Hummingbird 1 26 Mar 2018 Ryan Phillips N
 
166 Burrowing Owl 4 15 Feb 2018 Ellyn Corey P
 
Eurasian x American Wigeon (hybrid) 1 1 Feb 2018 Jason Vassallo N
 
167 Pelagic Cormorant 1 1 Feb 2018 Jason Vassallo P
 
168 Brewer's Sparrow 1 19 Sep 2017 Matthew Dodder N
 
169 Warbling Vireo 1 18 Sep 2017 Kitty ONeil
170 Pacific-slope Flycatcher 1 18 Sep 2017 Garrett Lau P
 
171 Barn Owl 1 3 Sep 2017 Mike Buccieri
172 Oak Titmouse 1 23 Apr 2017 Jennifer Rycenga
173 Long-tailed Duck 1 3 Apr 2017 David Nickerson P
 
174 Wild Turkey 4 16 Mar 2017 Jim Thomas
175 Red Phalarope 1 22 Dec 2016 Patricia Lynch N
 
176 Downy Woodpecker 1 3 Dec 2016 Becca Nelson
177 Tundra Swan 10 3 Dec 2016 Chris Johnson P
 
178 Barrow's Goldeneye 1 3 Dec 2016 Chris Johnson P
 
179 Lesser Black-backed Gull 1 12 Nov 2016 Bob Toleno P
 
180 Prairie Falcon 1 3 Nov 2016 David Nickerson P
 
181 Ruff 1 4 Sep 2016 Jasen Liu N
 
182 Stilt Sandpiper 1 4 Sep 2016 Jasen Liu N
 
183 Least Tern 2 3 Sep 2016 Sean MacLiam
Rufous/Allen's Hummingbird 1 24 Jul 2016 Janet Kelly
184 Band-tailed Pigeon 3 13 Jul 2016 Patricia Lynch
185 Little Stint 1 4 May 2016 Patricia Lynch N
 
white egret sp. 1 3 May 2016 Will Brooks P
 
186 Western Tanager 1 1 May 2016 Chris Johnson N
 
187 Ash-throated Flycatcher 2 28 Apr 2016 Maggie Smith N
 
188 Glaucous Gull 1 20 Feb 2016 Will Brooks P
 
falcon sp. 1 28 Dec 2015 Gordon Fitch
189 White-faced Ibis 4 27 Sep 2015 Jane Jordan N
 
190 Curlew Sandpiper 1 12 Sep 2015 Jasen Liu N
 
191 Western Wood-Pewee 1 1 Sep 2015 Nancy Teater
Buteo sp. 1 1 Sep 2015 Jeff Bleam
192 Semipalmated Sandpiper 1 30 Aug 2015 Jasen Liu P
 
193 Red Knot 4 27 Aug 2015 Brooke Miller
194 Ruddy Turnstone 1 18 Jul 2015 Jasen Liu N
 
195 Black Oystercatcher 1 17 Jun 2015 Marc Chelemer N
 
196 Common Loon 1 9 May 2015 Gena Zolotar N
 
197 Black Turnstone 1 28 Nov 2014 Brooke Miller N
 
198 Pacific Golden-Plover 2 24 Aug 2014 Jasen Liu N
 
199 Black Tern 2 20 Aug 2014 David Nickerson P
 
Black-bellied Plover/golden-plover sp. 3 16 Aug 2014 Rudyard Wallen N
 
200 Grasshopper Sparrow 1 23 Jul 2014 Jeff Bleam
201 Bar-tailed Godwit 1 17 Nov 2013 Juli Chamberlin P
 
202 Pigeon Guillemot 1 3 Aug 2013 Garrett Lau P
 
203 Yellow-headed Blackbird X 25 Apr 2009 Anonymous eBirder
204 Hooded Merganser 2 10 Nov 2007 Ken Schneider N
 
205 Brown Booby 1 21 Oct 2007 Carol Greenstreet N
 
206 Vesper Sparrow X 23 Sep 2007 Eric Goodill
207 Sharp-tailed Sandpiper 1 13 Dec 2006 Eric Goodill
208 Buff-breasted Sandpiper 1 7 Sep 2005 Richard Cimino
209 Greater Roadrunner 1 5 Mar 2005 Matt Brady
210 Cedar Waxwing 2 25 Sep 2004 Anonymous eBirder
211 Ferruginous Hawk X 19 Jan 2004 Clyde Morris Joelle Buffa N
 
212 Red-breasted Sapsucker 1 14 Dec 2003 PAUL PICKERING N
 
213 Little Blue Heron X 15 Jul 2000 Clyde Morris Joelle Buffa N
 
214 Heermann's Gull 1 19 Nov 1998 Steve Rottenborn N
 
215 Franklin's Gull 1 25 Jun 1998 Steve Rottenborn N
 
216 White-winged Scoter 1 4 Mar 1998 Steve Rottenborn N
 
217 Sabine's Gull 1 11 Oct 1997 Bob Dunn N
 
218 Tropical Kingbird 1 11 Oct 1997 Bob Dunn N
 
219 Ross's Goose 1 15 Nov 1995 Bruce Deuel
220 Chimney Swift 1 11 Sep 1995 John Sterling
221 Short-eared Owl X 21 Dec 1980 Richard Carlson