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Order: Charadriiformes. Family: Laridae (Gulls, terns and skimmers).

Black Skimmer
Rynchops niger

Black Skimmer Rynchops niger niger
R. n. niger
Shoreline Park
Black Skimmer Rynchops niger niger
R. n. niger
Shoreline Park
   

Sabine's Gull
Xema sabini

Sabine's Gull Xema sabini
X. sabini
Monterrey Bay
Sabine's Gull Xema sabini
X. sabini
Monterrey Bay
Sabine's Gull Xema sabini
X. sabini
Monterrey Bay
Sabine's Gull Xema sabini
X. sabini
Monterrey Bay
  Sabine's Gull Xema sabini
X. sabini
Monterrey Bay
Sabine's Gull Xema sabini
X. sabini
Monterrey Bay
   

Heermann's Gull
Larus heermanni

Heermann's Gull Larus heermanni
L. heermanni
Monterrey Bay
Heermann's Gull Larus heermanni
L. heermanni
Monterrey Bay
Heermann's Gull Larus heermanni
L. heermanni
Half Moon Bay
Heermann's Gull Larus heermanni
L. heermanni
Half Moon Bay
  Heermann's Gull Larus heermanni
L. heermanni
Santa Cruz
Heermann's Gull Larus heermanni
L. heermanni
Santa Cruz
Heermann's Gull Larus heermanni
L. heermanni
Santa Cruz
Heermann's Gull Larus heermanni
L. heermanni
Santa Cruz

Short-billed Gull
Larus brachyrhynchus

Short-billed Gull Larus brachyrhynchus
L. brachyrhynchus
Santa Cruz
Short-billed Gull Larus brachyrhynchus
L. brachyrhynchus
Santa Cruz
Short-billed Gull Larus brachyrhynchus
L. brachyrhynchus
Santa Cruz
 

Ring-billed Gull
Larus delawarensis

Ring-billed Gill Larus delawarensis
L. delawarensis
Palo Alto
Ring-billed Gill Larus delawarensis
L. delawarensis
Palo Alto
Ring-billed Gill Larus delawarensis
L. delawarensis
Palo Alto
Ring-billed Gill Larus delawarensis
L. delawarensis
Palo Alto
  Ring-billed Gill Larus delawarensis
L. delawarensis
Sunnyvale Baylands
     

California Gull
Larus californicus

California Gull Larus californicus californicus
L. c. californicus
Sunnyvale Baylands
California Gull Larus californicus californicus
L. c. californicus
Mono Lake
California Gull Larus californicus californicus
L. c. californicus
Mono Lake
California Gull Larus californicus californicus
L. c. californicus
Santa Cruz Island
  California Gull Larus californicus californicus
L. c. californicus
Palo Alto
California Gull Larus californicus californicus
L. c. californicus
Santa Cruz Island
California Gull Larus californicus californicus
L. c. californicus
Santa Cruz Island
California Gull Larus californicus californicus
L. c. californicus
Palo Alto
  California Gull Larus californicus californicus
L. c. californicus
Half Moon Bay
California Gull Larus californicus californicus
L. c. californicus
Half Moon Bay
   

Glaucous-winged Gull
Larus glaucescens

Glaucous-winged Gull Larus glaucescens
L. glaucescens
Santa Cruz
Glaucous-winged Gull Larus glaucescens
L. glaucescens
Santa Cruz
Glaucous-winged Gull Larus glaucescens
L. glaucescens
Santa Cruz
Glaucous-winged Gull Larus glaucescens
L. glaucescens
Santa Cruz

Iceland Gull
Larus glaucoides

(Thayer's Gull)

Iceland Gull Larus glaucoides thayeri
L. g. thayeri
Santa Cruz
Iceland Gull Larus glaucoides thayeri
L. g. thayeri
Santa Cruz
Iceland Gull Larus glaucoides thayeri
L. g. thayeri
Santa Cruz
 

Western Gull
Larus occidentalis

Western Gull Larus occidentalis wymani
L. o. wymani
Santa Cruz
Western Gull Larus occidentalis wymani
L. o. wymani
Santa Cruz
Western Gull Larus occidentalis wymani
L. o. wymani
Santa Cruz
Western Gull Larus occidentalis wymani
L. o. wymani
Santa Cruz Island
  Western Gull Larus occidentalis wymani
L. o. wymani
Santa Cruz
Western Gull Larus occidentalis wymani
L. o. wymani
Santa Cruz Island
Western Gull Larus occidentalis wymani
L. o. wymani
Santa Cruz
Western Gull Larus occidentalis wymani
L. o. wymani
Ventura
  Western Gull Larus occidentalis wymani
L. o. wymani
Santa Cruz
Western Gull Larus occidentalis wymani
L. o. wymani
Santa Cruz
Western Gull Larus occidentalis wymani
L. o. wymani
Venice Beach
Western Gull Larus occidentalis wymani
L. o. wymani
Venice Beach

Caspian Tern
Hydroprogne caspia

Caspian Tern Hydroprogne caspia
H. caspia
Pigeon Point
Caspian Tern Hydroprogne caspia
H. caspia
Santa Cruz
Caspian Tern Hydroprogne caspia
H. caspia
Don Edwards NWR
Caspian Tern Hydroprogne caspia
H. caspia
Don Edwards NWR
  Caspian Tern Hydroprogne caspia
H. caspia
Santa Cruz
Caspian Tern Hydroprogne caspia
H. caspia
Santa Cruz
Caspian Tern Hydroprogne caspia
H. caspia
Santa Cruz
Caspian Tern Hydroprogne caspia
H. caspia
Santa Cruz

Elegant Tern
Thalasseus elegans

Elegant Tern Thalasseus elegans
T. elegans
Half Moon Bay
Elegant Tern Thalasseus elegans
T. elegans
Half Moon Bay
Elegant Tern Thalasseus elegans
T. elegans
Half Moon Bay
Elegant Tern Thalasseus elegans
T. elegans
Half Moon Bay
  Elegant Tern Thalasseus elegans
T. elegans
Half Moon Bay
Elegant Tern Thalasseus elegans
T. elegans
Half Moon Bay
Elegant Tern Thalasseus elegans
T. elegans
Half Moon Bay
 

Forster's Tern
Sterna forsteri

Forster's Tern Sterna forsteri
S. forsteri
Shoreline Park
Forster's Tern Sterna forsteri
S. forsteri
Shoreline Park
Forster's Tern Sterna forsteri
S. forsteri
Shoreline Park
Forster's Tern Sterna forsteri
S. forsteri
Shoreline Park
  Forster's Tern Sterna forsteri
S. forsteri
Shoreline Park
Forster's Tern Sterna forsteri
S. forsteri
Shoreline Park
Forster's Tern Sterna forsteri
S. forsteri
Shoreline Park
Forster's Tern Sterna forsteri
S. forsteri
Shoreline Park
  Forster's Tern Sterna forsteri
S. forsteri
Shoreline Park
Forster's Tern Sterna forsteri
S. forsteri
Shoreline Park
   

Family: Stercorariidae (Skuas).

Pomarine Jaeger
Stercorarius pomarinus

Pomarine Jaeger Stercorarius pomarinus
S. pomarinus
Venice Beach
Pomarine Jaeger Stercorarius pomarinus
S. pomarinus
Venice Beach
Pomarine Jaeger Stercorarius pomarinus
S. pomarinus
Venice Beach
 

 

Pomarine Jaeger Stercorarius pomarinus
S. pomarinus
Half Moon Bay
Pomarine Jaeger Stercorarius pomarinus
S. pomarinus
Half Moon Bay
   

Parasitic Jaeger
Stercorarius parasiticus

(Arctic Skua)

Parasitic Jaeger Stercorarius parasiticus (Arctic Skua)
S. parasiticus
Monterrey Bay
Parasitic Jaeger Stercorarius parasiticus (Arctic Skua)
S. parasiticus
Monterrey Bay
Parasitic Jaeger Stercorarius parasiticus (Arctic Skua)
S. parasiticus
Half Moon Bay
 

Long-tailed Jaeger
Stercorarius longicaudus

Long-tailed Jaeger Stercorarius longicaudus pallescens
S. l. pallescens
Monterrey Bay
Long-tailed Jaeger Stercorarius longicaudus pallescens
S. l. pallescens
Monterrey Bay
   

Family: Alcidae (Auks).

Common Murre
Uria aalge

Common Murre Uria aalge californica
U. a. californica
Monterrey Bay
Common Murre Uria aalge californica
U. a. californica
Monterrey Bay
Common Murre Uria aalge californica
U. a. californica
Monterrey Bay
Common Murre Uria aalge californica
U. a. californica
Monterrey Bay
  Common Murre Uria aalge californica
U. a. californica
Santa Cruz
Common Murre Uria aalge californica
U. a. californica
Santa Cruz
   

Pigeon Guillemot
Cepphus columba

Pigeon Guillemot Cepphus columba eureka
C. s. eureka
Santa Cruz
Pigeon Guillemot Cepphus columba eureka
C. s. eureka
Santa Cruz
Pigeon Guillemot Cepphus columba eureka
C. s. eureka
Santa Cruz
Pigeon Guillemot Cepphus columba eureka
C. s. eureka
Santa Cruz

Scripps's Murrelet
Synthliboramphus scrippsi

Scripps's Murrelet Synthliboramphus scrippsi
S. scrippsi
Monterrey Bay
Scripps's Murrelet Synthliboramphus scrippsi
S. scrippsi
Monterrey Bay
Scripps's Murrelet Synthliboramphus scrippsi
S. scrippsi
Monterrey Bay
 

Rhinoceros Auklet
Cerorhinca monocerata

Rhinoceros Auklet Cerorhinca monocerata
C. monocerata
Monterrey Bay
Rhinoceros Auklet Cerorhinca monocerata
C. monocerata
Half Moon Bay
   

Order: Gaviiformes. Family: Gaviidae (Loons).

Common Loon
Gavia immer

(Great Northern Diver)

Common Loon Gavia immer (Great Northern Diver)
G. immer
Santa Cruz
Common Loon Gavia immer (Great Northern Diver)
G. immer
Santa Cruz
Common Loon Gavia immer (Great Northern Diver)
G. immer
Santa Cruz