Monterey Bay Whale Watch
List of Marine Mammal Sightings
in the Monterey Bay Region

October 2021
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Note -- This list includes reported sightings from Monterey Bay Whale Watch trips. Unusual sightings of other marine animals such as Leatherback Sea Turtles and Basking Sharks are also listed, in addition to unusual seabirds such as Albatross and Brown Boobies. California Sea Lions are mentioned only if numbers or behavior are of interest. Harbor Seals and Southern Sea Otters, which are seen on all whale watching trips, are not included in the list.

These sightings are copyright protected and may not be used without permission from Nancy Black. All rights reserved. Unauthorized use of this information is a violation of federal copyright law, and is subject to prosecution to the full extent of the law.


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Date # Type of Animal(s)

10/31 2:30 p.m. 5 Humpback Whales (pec slapping)

10/31 10 a.m. 15 Humpback Whales (feeding, breaching)
  15 Risso's Dolphins

10/30 10 a.m. 5 Humpback Whales (kelping)

10/29 10 a.m. 2 Humpback Whales (cow+calf, Aurora and Fluke Skywalker)
  12 Harbor Porpoise

10/28 10 a.m. 11 Humpback Whales ( including cow+calf Aurora and Fluke Skywalker)

10/27 10 a.m. 8 Humpback Whales

10/26 10 a.m. 5 Humpback Whales
  50 Pacific White-sided Dolphins
  300 Risso's Dolphins

10/23 10 a.m. 12 Humpback Whales
  140 Risso's Dolphins
  2 Northern Fur Seals

10/23 8 a.m. 21 Humpback Whales
All Day 1 Blue Whale
  100 Risso's Dolphins
  1 Blue Shark

10/22 10 a.m. 2 Humpback Whales (breaching)
  1 Northern Fur Seal

10/21 10 a.m. 5 Humpback Whales
  30 Risso's Dolphins (including Casper)

10/20 10 a.m. 22 Humpback Whales
  2 Killer Whales (Orcas - CA136 & CA179)

10/19 10 a.m. 10 Humpback Whales (feeding)
  10 Bottlenose Dolphins
  25 Risso's Dolphins

10/18 10 a.m. 7 Humpback Whales
  150 Pacific White-sided Dolphins
  30 Bottlenose Dolphins
  30 Risso's Dolphins
  10 Northern Right Whale Dolphins
  10 Harbor Porpoise

10/17 10 a.m. 33 Humpback Whales
  50 Short-beaked Common Dolphins
  80 Pacific White-sided Dolphins
  3 Bottlenose Dolphins

10/16 2:30 p.m. 4 Humpback Whales

10/16 10 a.m. 19 Humpback Whales (double breach)
  200 Risso's Dolphins

10/16 9 a.m. 15 Humpback Whales (friendly, spyhop)
  6 Harbor Porpoise

10/16 8 a.m. 33 Humpback Whales
All Day 350 Risso's Dolphins
  9 Harbor Porpoise

10/15 10 a.m. 6 Humpback Whales
  6 Killer Whales (Orcas - CA50B, CA49C + calf, CA122B + family)
  50 Risso's Dolphins
  2 Black-footed Albatross

10/14 10 a.m. 40 Humpback Whales
  100 Risso's Dolphins

10/13 10 a.m. 13 Humpback Whales (feeding)
  20 Bottlenose Dolphins
  300 Risso's Dolphins
  5 Harbor Porpoise

10/10 1:30 p.m. 9 Humpback Whales (feeding, friendly behavior)

10/10 10 a.m. 22 Humpback Whales (lunge-feeding)
  30 Risso's Dolphins
  15 Harbor Porpoise

10/10 9 a.m. 25 Humpback Whales (breaching)
  30 Risso's Dolphins

10/9 10 a.m. 25 Humpback Whales (lunge-feeding)

10/9 8 a.m. 18 Humpback Whales (breaching, lunging)
All Day 30 Risso's Dolphins
  15 Dall's Porpoise
  1 Black-footed Albatross
  1 Mola Mola (Ocean Sunfish)

10/8 10 a.m. 13 Humpback Whales
  5 Harbor Porpoise

10/7 10 a.m. 18 Humpback Whales
  50 Risso's Dolphins (trumpet blowing and feeding)

10/6 10 a.m. 8 Humpback Whales (breaching)
  100 Pacific White-sided Dolphins
  150 Risso's Dolphins

10/5 2:30 p.m. 23 Humpback Whales
  15 Risso's Dolphins

10/5 10 a.m. 10 Humpback Whales
  400 Common Dolphins
  150 Risso's Dolphins

10/5 9 a.m. 8 Humpback Whales
  400 Common Dolphins
  30 Pacific White-sided Dolphins
  150 Risso's Dolphins

10/4 10 a.m. 19 Humpback Whales (feeding)
  40 Bottlenose Dolphins
  50 Risso's Dolphins

10/3 1:30 p.m. 5 Humpback Whales (lunge-feeding)
  20 Risso's Dolphins (nursery pod)

10/3 10 a.m. 17 Humpback Whales (feeding)
  150 Risso's Dolphins

10/3 9 a.m. 12 Humpback Whales
  85 Risso's Dolphins

10/2 10 a.m. 7 Humpback Whales
  500 Risso's Dolphins

10/2 9 a.m. 5 Humpback Whales
  500 Risso's Dolphins
  25 Harbor Porpoise
  1 Mola Mola (Ocean Sunfish)

10/2 8 a.m. 13 Humpback Whales (breaching, feeding)
All Day 115 Risso's Dolphins

10/1 10 a.m. 6 Humpback Whales (lunge-feeding, including Google)
  30 Risso's Dolphins

   Photos © 2021 Daniel Bianchetta

Humpback Whale kelping photo by Daniel Bianchetta
Humpback Whale kelping (October 30, 2021)

Harbor Porpoise photo by Daniel Bianchetta
Harbor Porpoise (October 29, 2021)

Northern Fur Seal photo by Daniel Bianchetta
Northern Fur Seal (October 22, 2021)

Anchovies photo by Daniel Bianchetta
Anchovies (October 21, 2021)

Risso's Dolphin Casper photo by Daniel Bianchetta
Risso's Dolphin Casper (October 21, 2021)

Great Blue Heron photo by Daniel Bianchetta
Great Blue Heron (October 20, 2021)

Breaching Mola Mola photo by Daniel Bianchetta
Breaching Mola Mola (October 17, 2021)

Risso's Dolphin with baby photo by Daniel Bianchetta
Risso's Dolphin with baby (October 16, 2021)

Killer Whales including calves photo by Daniel Bianchetta
Killer Whales including calves (October 15, 2021)

Sea Otter with baby photo by Daniel Bianchetta
Sea Otter with baby (October 14, 2021)

Bottlenose Dolphins close to shore photo by Daniel Bianchetta
Bottlenose Dolphins close to shore (October 13, 2021)

Brown Pelican photo by Daniel Bianchetta
Brown Pelican (October 10, 2021)

Dall's Porpoise photo by Daniel Bianchetta
Dall's Porpoise (October 9, 2021)

Harbor Seal resting on a rock photo by Daniel Bianchetta
Harbor Seal resting on a rock (October 6, 2021)

Bow-riding Pacific White-sided Dolphins photo by Daniel Bianchetta
Bow-riding Pacific White-sided Dolphins
(October 6, 2021)

Common Dolphin photo by Daniel Bianchetta
Common Dolphin (October 5, 2021)

Salps - barrel-shaped gelatinous invertebrates that use muscle contractions to shoot water through their
bodies to move forward photo by Daniel Bianchetta
Salps - barrel-shaped gelatinous invertebrates that use
muscle contractions to shoot water through their
bodies to move forward (October 5, 2021)

Risso's Dolphins (Note fetal folds on calves) photo by Daniel Bianchetta
Risso's Dolphins (Note fetal folds on calves)
(October 3, 2021)

Mola Mola (Ocean Sunfish) photo by Daniel Bianchetta
Mola Mola (Ocean Sunfish) (October 2, 2021)

Humpback Whale Google photo by Daniel Bianchetta
Young Humpback Whale named Google after the
"googly" white spot around her eyes (October 1, 2021)


Photos © 2021 Daniel Bianchetta


Copyright © 2021 Monterey Bay Whale Watch, LLC. No use of the sightings information is permitted without prior approval.


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Copyright © 1997-2021 Monterey Bay Whale Watch, LLC. All rights reserved.
Photos © Daniel Bianchetta
Last updated November 18, 2021