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Welcome to a range of blog posts that reflect our research and education interests ranging from marine mammal biology to key conservation issues.
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The Size of Dolphin Dorsal Fins, Comparing Males and Females
Why do the dorsal fin size differ between males and females in so many species in the dolphin family (Delphinidae), where adult males...
Jan Ostman-Lind
2 days ago
Adaptations of Hunters Who Return to the Sea
As we continue our collaboration with the Hawaiʻi Wildlife Center to develop educational resources focused on Hawaiian seabirds, I...
Jan Östman-Lind
Jul 21, 2024
Dolphin Head anatomy - why do spinner dolphins have such a long rostrum?
All animals that use echolocation to hunt will face the same problem: how do they track their prey just before they capture it. They send...
Jan Östman-Lind
Oct 19, 2023
All dolphins are not alike - that creates problems
As mentioned in the last blog, there is a large variation in size, appearance and behavior among the 42 species of currently recognized...
Jan Östman-Lind
Sep 26, 2023
There are many species of dolphins
Take a moment and picture a dolphin in your head. What did it look like in your mind's eye? A dolphin with a grey body, slightly darker...
Jan Östman-Lind
Sep 5, 2023
How to identify and determine the sex of dolphins in the wild.
Most studies of wild dolphin behavior study the animals at the surface from regular vessels. This is how we started as well. From this...
Jan Östman-Lind
Oct 18, 2022
The underwater viewing vessel that could!
To complete my doctoral research, I had to overcome a fundamental challenge to any scientist wanting to study marine mammal social...
Jan Östman-Lind
Sep 25, 2022
The story of the underwater viewing vessels.
The idea to study marine mammals underwater seems very obvious, but how do you do it? You can see them when diving or snorkeling, but...
Jan Östman-Lind
Sep 15, 2022
Why are marine mammals so large?
The smallest toothed whale, the Vaquita porpoise, is still a hefty size compared to the smallest primate, the pygmy marmoset, which is a...
Jan Östman-Lind
Aug 2, 2022
What is in a name?
There is a whole group of dolphins whose common name actually includes the term “whale”. Not only that, together they are referred to as...
Jan Östman-Lind
Jul 22, 2022
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