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

April 2023
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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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   Killer Whale identifications by the California Killer Whale Project
Date # Type of Animal(s)

4/30 10 a.m. 6 Humpback Whales
  75 Risso's Dolphins
    Brown Booby

4/30 9 a.m. 8 Humpback Whales (breaching, pec slapping)
  35 Risso's Dolphins
  many Vellela vellela

4/30 8 a.m. 32 Humpback Whales
All Day 50 Risso's Dolphins
  2 Harbor Porpoises

4/29 1:30 p.m. 5 Humpback Whales (double breach)
  1 Blue Whale

4/29 9 a.m. 5 Humpback Whales
  8 Killer Whales ( CA51s + CA206A Rare!)
  75 Risso's Dolphins

4/29 8 a.m. 8 Humpback Whales
All Day 10 Killer Whales
  200 Risso's Dolphins

4/28 1:30 p.m. 12 Humpback Whales (breaching)
  6 Killer Whales

4/28 9 a.m. 4 Humpback Whales
  2 Killer Whales
  4 Risso's Dolphins
  7 Harbor Porpoises

4/28 8 a.m. 8 Humpback Whales
All Day 11 Killer Whales (CA140Bs, CA51s, CA40, CA137)
  12 Fin Whales (feeding)

4/27 9/10 a.m. 12 Humpback Whales (breaching)
  25 Risso's Dolphins
  5 Steller Sea Lions

4/27 8 a.m. 13 Humpback Whales
All Day 1 Blue Whale
  9 Killer Whales (CA140Bs and CA51s)
  30 Risso's Dolphins
  20 Harbor Porpoises

4/26 1:30 p.m. 13 Humpback Whales
  3 Harbor Porpoises

4/26 9 a.m. 4 Humpback Whales
  4 Harbor Porpoises

4/25 1:30 p.m. 11 Humpback Whales (breaching, pec slapping, tail lobbing)

4/25 9 a.m. 6 Humpback Whales
  300 Risso's Dolphins

4/25 8 a.m. 6 Humpback Whales
All Day 200 Pacific White-sided Dolphins
  1500 Risso's Dolphins (including Casper)
20 Northern Right Whale Dolphins

4/24 9 a.m. 8 Humpback Whales
  10 Harbor Porpoises

4/24 8 a.m. 21 Humpback Whales
All Day 100 Risso's Dolphins

4/23 10 a.m. 15 Humpback Whales
  250 Risso's Dolphins

4/23 9 a.m. 7 Humpback Whales
  2 Harbor Porpoises

4/23 8 a.m. 29 Humpback Whales
All Day 250 Risso's Dolphins

4/22 1:30 p.m. 4 Humpback Whales (breaching, tail lobbing)

4/22 9 a.m. 12 Humpback Whales
  20 Harbor Porpoises

4/22 8 a.m. 15 Humpback Whales
All Day 20 Risso's Dolphins

4/21 9 a.m. 15 Humpback Whales (chronic breacher for almost an hour!)
  1 Harbor Porpoise

4/21 8 a.m. 18 Humpback Whales
All Day 2 Blue Whales
  40 Risso's Dolphins

4/20 9 a.m. 9 Humpback Whales
  5 Harbor Porpoises

4/20 8 a.m. 17 Humpback Whales
All Day 3 Fin Whales
  30 Pacific White-sided Dolphins
  350 Risso's Dolphins

4/19 9 a.m. 15 Humpback Whales
  15 Risso's Dolphins
  4 Harbor Porpoises

4/19 8 a.m. 8 Humpback Whales
All Day 50 Risso's Dolphins

4/18 9 a.m. 10 Humpback Whales
  30 Risso's Dolphins
    Harbor Porpoises

4/18 8 a.m. 12 Humpback Whales
All Day 50 Risso's Dolphins
    Harbor Porpoises

4/17 9 a.m. 15 Humpback Whales (breaching)
  2 Harbor Porpoises

4/17 8 a.m. 15 Humpback Whales (tail throwing)
All Day 12 Harbor Porpoises

4/16 1:30 p.m. 8 Humpback Whales
  2 Harbor Porpoises

4/16 10 a.m. 15 Humpback Whales

4/16 9 a.m. 10 Humpback Whales (Aria - Fran's calf)
  3 Harbor Porpoises

4/16 8 a.m. 25 Humpback Whales
All Day 2 Gray Whales (mom & calf)
  100 Risso's Dolphins
  5 Harbor Porpoises

4/15 2:30 p.m. 5 Humpback Whales
  6 Harbor Porpoises

4/15 9 a.m. 12 Humpback Whales
  20 Harbor Porpoises
  3 Black-footed Albatross

4/15 8 a.m. 15 Humpback Whales
All Day 1000 Risso's Dolphins

4/14 10 a.m. 10 Humpback Whales
  2 Gray Whales
  20 Pacific White-sided Dolphins
  500 Risso's Dolphins (including Casper)
  5 Black-footed Albatross

4/14 9 a.m. 9 Humpback Whales
  2 Gray Whales
  15 Pacific White-sided Dolphins
  200 Risso's Dolphins
  5 Black-footed Albatross

4/14 8 a.m. 12 Humpback Whales
All Day 4 Gray Whales
  20 Pacific White-sided Dolphins
  80 Risso's Dolphins
10 Northern Right Whale Dolphins
  5 Harbor Porpoises

4/10 1:30 p.m. 8 Humpback Whales (breaching)

4/10 9 a.m. 24 Humpback Whales (lunge-feeding)
  10 Harbor Porpoises

4/10 8 a.m.
All Day
17 Humpback Whales

4/9 1:30 p.m. 4 Humpback Whales

4/9 10 a.m. 17 Humpback Whales
  150 Risso's Dolphins
  10 Harbor Porpoises

4/9 9 a.m. 13 Humpback Whales
  150 Risso's Dolphins

4/9 8 a.m. 22 Humpback Whales
All Day 2 Harbor Porpoises

4/8 2:30 p.m. 10 Humpback Whales (breaching)

4/8 9 a.m. 5 Humpback Whales
  2 Gray Whales
  150 Risso's Dolphins
  1 Black-footed Albatross

4/8 8 a.m. 16 Humpback Whales
All Day 6 Gray Whales
  1 Minke Whale
  50 Risso's Dolphins
  2 Elephant Seals
  30 Black-footed Albatross

4/6 10 a.m. 2 Humpback Whales
  6 Bigg's (Transient) Killer Whales
  2 Harbor Porpoises
  2 Black-footed Albatross

4/6 9 a.m. 6 Bigg's (Transient) Killer Whales

4/5 1:30 p.m. 2 Humpback Whales (breaching)
    Harbor Porpoises

4/5 10 a.m. 4 Humpback Whales
  3 Gray Whales
  50 Risso's Dolphins
  20 Harbor Porpoises
  20 Black-footed Albatross

4/5 9 a.m. 6 Humpback Whales
    Harbor Porpoises

4/4 9 a.m. 6 Humpback Whales
    Harbor Porpoises

4/1 2:30 p.m. 1 Humpback Whale
  3 Gray Whales

4/1 9 a.m. 2 Humpback Whales
  5 Gray Whales
  1 Black-footed Albatross

4/1 8 a.m. 12 Humpback Whales
All Day 8 Gray Whales

  

Photos © 2023 Daniel Bianchetta
unless otherwise noted


 Velella Velella close-up photo by photo by Morgan Quimby
Velella Velella close-up (April 30, 2023)
Photo by Morgan Quimby

 A group of Velella Velella photo by Morgan Quimby
A group of Velella Velella (April 30, 2023)
Photo by Morgan Quimby

 Killer Whale flukes (tail) photo by daniel bianchetta
Killer Whale flukes (tail) (April 29, 2023)

 Killer Whales near the Blackfin photo by daniel bianchetta
Killer Whales near the Blackfin (April 28, 2023)

Killer Whale spyhopping photo by daniel bianchetta
Killer Whale spyhopping (April 27, 2023)

Sea Otter mom and pup photo by daniel bianchetta
Sea Otter mom and pup (April 27, 2023)

Bonaparte's Gull photo by daniel bianchetta
Bonaparte's Gull (April 25, 2023)

Thermoregulating Sea Lions photo by daniel bianchetta
Thermoregulating Sea Lions (April 23, 2023)

Murph the Humpback Whale tail slapping with
California Sea Lions surfacing photo by daniel bianchetta
Murph the Humpback Whale tail slapping with
California Sea Lions surfacing (April 22, 2023)

Murph the Humpback Whale with twirling breach photo by daniel bianchetta
Murph the Humpback Whale with
twirling breach (April 22, 2023)

Humpback Whale arching its back as it heads on a dive photo by daniel bianchetta
Humpback Whale arching its back as it
heads on a dive (April 21, 2023)

Fin Whales surfacing photo by daniel bianchetta
Fin Whales surfacing (April 20, 2023)

Risso's Dolphin pair surfing through the swells photo by daniel bianchetta
Risso's Dolphin pair surfing through the swells
(April 19, 2023)

Tail-throwing Humpback Whale photo by daniel bianchetta
Tail-throwing Humpback Whale (April 18, 2023)

Breaching Humpback Whale photo by daniel bianchetta
Large raft of California Sea Lions surfacing together
as Humpbacks corral fish below the surface
(April 18, 2023)

Breaching Humpback Whale photo by daniel bianchetta
Breaching Humpback Whale (April 16, 2023)

Humpback Whale ID Photo photo by daniel bianchetta
Humpback Whale ID Photo (April 16, 2023)

Breaching Risso's Dolphin photo by daniel bianchetta
Breaching Risso's Dolphin (April 15, 2023)

Risso's Dolphins Casper and friends photo by daniel bianchetta
Risso's Dolphins Casper and friends (April 14, 2023)

Risso's Dolphins with young calf photo by daniel bianchetta
Risso's Dolphins with young calf (April 14, 2023)

California Sea Lions photo by daniel bianchetta
California Sea Lions (April 14, 2023)

Mother and pup Sea Otters eating Octopus photo by Morgan Quimby
Mother and pup Sea Otters eating Octopus
Photo by Morgan Quimby (April 10, 2023)

Pec slapping Humpback Whale photo by daniel bianchetta
Pec slapping Humpback Whale (April 9, 2023)

Breaching/head slapping humpback whale photo by daniel bianchetta
Breaching/head slapping Humpback Whale
(April 9, 2023)

Bigg's (Transient) Killer Whales by Pt. Sur Clipper photo by daniel bianchetta
Bigg's (Transient) Killer Whales by Pt. Sur Clipper
(April 6, 2023)

Black-footed Albatross photo by daniel bianchetta
Black-footed Albatross (April 6, 2023)

Humpback Whale tail photo by daniel bianchetta
Humpback Whale tail (April 1, 2023)

Loon in breeding plumage photo by daniel bianchetta
Loon in breeding plumage (April 1, 2023)



Photos © 2023 Daniel Bianchetta
unless otherwise noted



Copyright © 2023 Monterey Bay Whale Watch, LLC. No use of the sightings information is permitted without prior approval.


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Monterey, CA 93940
 
Phone 831-375-4658  
E-mail whaletrips@gowhales.com
Copyright © 1997-2023 Monterey Bay Whale Watch, LLC. All rights reserved.
Photos © Daniel Bianchetta and Morgan Quimby
Last updated May 3, 2023