Site Report: Pioneer Canyon, United States of America
Laysan Albatross (Phoebastria immutabilis)
Scripps's Murrelet (Synthliboramphus scrippsi)
Blue Whale (Balaenoptera musculus)
Blue Whale (Balaenoptera musculus)
Black-footed Albatross (Phoebastria nigripes)
Black Storm-Petrel (Hydrobates melania)
Cook's Petrel (Pterodroma cookii)
Black Storm-Petrel (Hydrobates melania)
Long-tailed Jaeger (Stercorarius longicaudus)
Common Dolphin (Delphinus delphis)
Western Gull (Larus occidentalis)
Sooty Shearwater (Ardenna grisea)
Guadalupe Fur Seal (Arctocephalus townsendi)
Pink-footed Shearwater (Ardenna creatopus)
Ashy Storm-Petrel (Hydrobates homochroa)
Cook's Petrel (Pterodroma cookii)
Steller Sea Lion (Eumetopias jubatus)
Laysan Albatross (Diomedea immutabilis)
Rhinoceros Auklet (Cerorhinca monocerata)
Red Phalarope (Phalaropus fulicaria) - Flight
Black-footed Albatross (Diomedea nigripes)
Black-footed Albatross (Diomedea nigripes)
Sabine's Gull (Xema sabini)
Pink-footed Shearwater (Ardenna creatopus)
Tufted Puffin (Fratercula cirrhata)
Long-tailed Jaeger (Stercorarius longicaudus)
Pomarine Jaeger (Stercorarius pomarinus)
Northern Right Whale Dolphin (Lissodelphis borealis)
Pacific White-sided Dolphin (Lagenorhynchus obliquidens)
Arctic Tern (Sterna paradisaea)
Ashy Storm-Petrel (Oceanodroma homochroa)
Wilson's Storm-Petrel (Oceanites oceanicus)
Long-tailed Jaeger (Stercorarius longicaudus) - Dark Morph
Salmon Shark (Lamna ditropis)
Sooty Shearwater (Ardenna grisea)
Tufted Puffin (Fratercula cirrhata) In Flight
Ashy Storm-Petrel (Oceanodroma homochroa)
×
Laysan Albatross (Phoebastria immutabilis)
Scripps's Murrelet (Synthliboramphus scrippsi)
Blue Whale (Balaenoptera musculus)
Blue Whale (Balaenoptera musculus)
Black-footed Albatross (Phoebastria nigripes)
Black Storm-Petrel (Hydrobates melania)
Cook's Petrel (Pterodroma cookii)
Black Storm-Petrel (Hydrobates melania)
Long-tailed Jaeger (Stercorarius longicaudus)
Common Dolphin (Delphinus delphis)
Western Gull (Larus occidentalis)
Sooty Shearwater (Ardenna grisea)
Guadalupe Fur Seal (Arctocephalus townsendi)
Pink-footed Shearwater (Ardenna creatopus)
Ashy Storm-Petrel (Hydrobates homochroa)
Cook's Petrel (Pterodroma cookii)
Steller Sea Lion (Eumetopias jubatus)
Laysan Albatross (Diomedea immutabilis)
Rhinoceros Auklet (Cerorhinca monocerata)
Red Phalarope (Phalaropus fulicaria) - Flight
Black-footed Albatross (Diomedea nigripes)
Black-footed Albatross (Diomedea nigripes)
Sabine's Gull (Xema sabini)
Pink-footed Shearwater (Ardenna creatopus)
Tufted Puffin (Fratercula cirrhata)
Long-tailed Jaeger (Stercorarius longicaudus)
Pomarine Jaeger (Stercorarius pomarinus)
Northern Right Whale Dolphin (Lissodelphis borealis)
Pacific White-sided Dolphin (Lagenorhynchus obliquidens)
Arctic Tern (Sterna paradisaea)
Ashy Storm-Petrel (Oceanodroma homochroa)
Wilson's Storm-Petrel (Oceanites oceanicus)
Long-tailed Jaeger (Stercorarius longicaudus) - Dark Morph
Salmon Shark (Lamna ditropis)
Sooty Shearwater (Ardenna grisea)
Tufted Puffin (Fratercula cirrhata) In Flight
Ashy Storm-Petrel (Oceanodroma homochroa)
Underwater canyon.
Visits
- 2010-05-17: took a boat trip from Half Moon Bay to pioneer canyon and a couple of seamounts near the continental shelf (about 20 miles south of Farallon Islands). Most of the birds were seen at the shelf.
- 2013-08-18: Trip from Half Moon Bay to Pioneer Canyon area.
- 2023-10-21: Trip from Half Moon Bay to visit Pioneer Canyon.
- 2026-07-05: We continued out to Pioneer Canyon to look for San Francisco birds.
Species Seen
Kingdom: Animals (62 records,
24 images)
Phylum: Chordates
(62 records,
24 images)
Class: Birds
(48 records,
17 images)
- Order: Anseriformes
(1 record)
- Family: Swans, Geese, and Ducks
- Brant (Branta bernicla)
- Order: Pelicans (17 records)
- Family: Grebes
- Western Grebe (Aechmophorus occidentalis)
- Family: Jaegers and Skuas
- Long-tailed Jaeger (Stercorarius longicaudus)
- Parasitic Jaeger (Stercorarius parasiticus)
- Pomarine Jaeger (Stercorarius pomarinus)
- South Polar Skua (Stercorarius maccormicki)
- Family: Loons
- Common Loon (Gavia immer)
- Pacific Loon (Gavia pacifica)
- Red-throated Loon (Gavia stellata)
- Family: Oystercatchers
- Black Oystercatcher (Haematopus bachmani)
- Family: Pelicans
- Brown Pelican (Pelecanus occidentalis)
- Family: Sandpipers and Allies
- Black Turnstone (Arenaria melanocephala)
- Red-necked Phalarope (Phalaropus lobatus)
- Red Phalarope (Phalaropus fulicarius)
- Surfbird (Calidris virgata)
- Order: Perching Birds
(2 records)
- Family: American Blackbirds and Orioles
- Brown-headed Cowbird (Molothrus ater)
- Family: New World Warblers
- Wilson's Warbler (Cardellina pusilla)
- Order: Shorebirds and Allies
(15 records)
- Family: Auks, Murres, Guillemots, and Puffins
- Cassin's Auklet (Ptychoramphus aleuticus)
- Common Murre (Uria aalge)
- Craveri's Murrelet (Synthliboramphus craveri)
- Pigeon Guillemot (Cepphus columba)
- Rhinoceros Auklet (Cerorhinca monocerata)
- Scripps's Murrelet (Synthliboramphus scrippsi)
- Tufted Puffin (Fratercula cirrhata)
- Family: Gulls, Terns, and Skimmers
- American Herring Gull (Larus smithsonianus)
- Arctic Tern (Sterna paradisaea)
- California Gull (Larus californicus)
- Common Tern (Sterna hirundo)
- Elegant Tern (Thalasseus elegans)
- Heermann's Gull (Larus heermanni)
- Sabine's Gull (Xema sabini)
- Western Gull (Larus occidentalis)
- Order: Tubenoses (13 records)
- Family: Northern Storm-Petrels
- Ashy Storm-Petrel (Hydrobates homochroa)
- Black Storm-Petrel (Hydrobates melania)
- Fork-tailed Storm-Petrel (Hydrobates furcatus)
- Leach's Storm-Petrel (Hydrobates leucorhous)
- Family: Shearwaters and Petrels
- Buller's Shearwater (Ardenna bulleri)
- Cook's Petrel (Pterodroma cookii)
- Flesh-footed Shearwater (Ardenna carneipes)
- Northern Fulmar (Fulmarus glacialis)
- Pink-footed Shearwater (Ardenna creatopus)
- Sooty Shearwater (Ardenna grisea)
- Family: Southern Storm Petrels
- Wilson's Storm-Petrel (Oceanites oceanicus)
Class: Cartilaginous Fish
(1 record,
1 image)
- Order: Lamniformes
(1 record)
- Family: Lamnidae
- Salmon Shark (Lamna ditropis)
Class: Mammals
(13 records,
6 images)
- Order: Carnivorans (5 records)
- Family: Phocidae
- Northern Elephant Seal (Mirounga angustirostris)
- Order: Even-toed Ungalates and Cetaceans (8 records)
- Family: Dolphins
- Bottlenosed Dolphin (Tursiops truncatus)
- Common Dolphin (Delphinus delphis)
- Northern Right Whale Dolphin (Lissodelphis borealis)
- Pacific White-sided Dolphin (Lagenorhynchus obliquidens)
- Family: Physeteridae
- Sperm Whale (Physeter macrocephalus)