The Whitehead Lab

The Whitehead Lab Based out of the Dalhousie University Department of Biology (Halifax, Nova Scotia), The Whitehead Lab©

Led by Dr. Hal Whitehead, the Whitehead Lab is based out of the Dalhousie University Biology Department (Halifax, Nova Scotia). Broadly, our group conducts scientific research on the culture, behavioral ecology, and population biology of several cetacean species, with specific focus on social organization, ranging behavior, distribution, acoustics, and conservation. Our primary study species include the sperm whale, the northern bottlenose whale, and the long-finned pilot whale. Past study species have also included Sowerby’s beaked whales, narwhals, river dolphins, killer whales, belugas, and more.

You are invited!The 2026 Cachalote Consortium Workshop will take place October 17, 2026, from 8:30 –17:30 AST in San Jua...
09/17/2026

You are invited!

The 2026 Cachalote Consortium Workshop will take place October 17, 2026, from 8:30 –17:30 AST in San Juan, Puerto Rico, at the 26th Biennial Conference on the Biology of Marine Mammals.

Hybrid format: Join us in person or virtually! We’ll also be gathering for a social event afterwards for those attending the conference in San Juan.

Since 2005, the Cachalote Consortium has brought together s***m whale researchers from around the world to advance our understanding of s***m whale biology, ecology, and conservation.

The 2026 workshop will be a space to:
- Share research and ideas
- Exchange and standardize methodologies
- Identify knowledge gaps
- Inspire new collaborations
- Foster the next generation of s***m whale scientists

The workshop will feature keynote talks, short presentations, and group discussions organized around a range of topics.

📲 Interested in joining? Click the link in our bio to register before the end of the day on Friday!

📩 Questions? Contact [email protected]

We hope to see you there! 🐋🌎

Happy September and back to school season everyone! 🍂🐋We had our first lab meeting of the academic year yesterday and it...
09/16/2026

Happy September and back to school season everyone! 🍂🐋

We had our first lab meeting of the academic year yesterday and it was great to have everyone back together, and to welcome some new faces. We’re looking forward to another year of exciting research!

Wishing everyone a great start to the semester. 📚⭐️

Even when you have your plate full with s***m whale research already, some opportunities are too cool to pass up… Curren...
06/26/2026

Even when you have your plate full with s***m whale research already, some opportunities are too cool to pass up… Current Whitehead Lab PhD students, Ana Eguiguren and Christine Clarke, were invited to contribute to the update of Dale Rice’s foundational 1989 chapter on s***m whales. They brought their expertise to sections including habitat, social organization, reproductive and acoustic behaviour, and human impacts. The new book chapter has now been published, in the ‘River Dolphins and Larger Toothed Whales’ book of the Handbook of Marine Mammals series. If you are interested in reading the chapter, we encourage you to reach out to Ana or Christine, who would be happy to share a copy. (Photo by T. A. Jefferson - Figure 7.6)
***mwhales
you.know.by.christine

Our next lab member introduction: Sophia! Sophia is a a Volunteer Research Assistant in the Whitehead Lab and she is cur...
06/22/2026

Our next lab member introduction: Sophia!

Sophia is a a Volunteer Research Assistant in the Whitehead Lab and she is currently assisting Christine by analyzing recordings of s***m whales looking for specific vocalizations like slow clicks!

Now that the summer months are here, you can find her at the beach, on a bike trail or under the water with her camera!

A HUGE congratulations goes out to our 2026 graduates! 💌 Charlotte, Kyra, Madi, Lynelle, and Daisy (not pictured)…. we a...
06/18/2026

A HUGE congratulations goes out to our 2026 graduates! 💌

Charlotte, Kyra, Madi, Lynelle, and Daisy (not pictured)…. we are all so extremely proud of you for all of your hard work and dedication to your degree and your research, and we are incredibly grateful to have you all as a part of the lab.

We cannot wait to see what amazing things you all will do in the coming years!! Best wishes, The Whitehead Lab 💙

Our next lab member introduction is: Gerri Summers! Gerri’s USRA project in the Whitehead Lab focuses on s***m whale res...
06/17/2026

Our next lab member introduction is: Gerri Summers!

Gerri’s USRA project in the Whitehead Lab focuses on s***m whale research. This spring, she had the opportunity to complete fieldwork in The Bahamas, assisting with the data collection in less studied regions. She is now cataloging individuals and using acoustic analysis to distinguish between clans and to calculate the body lengths of individual whales. Through the study of these datasets, she hopes to advance our understanding of s***m whale populations in Bahamian waters. Gerri is particularly interested in the cognition and the ecology of marine mammals!

As researchers, an important question to ask is “What is the impact of our research on the wildlife we study?” In this r...
06/05/2026

As researchers, an important question to ask is “What is the impact of our research on the wildlife we study?”

In this recent paper, Hal, Christine and Ana put old ‘bad’ photo-identification photos to work to investigate this question, in the context of boat-based photo-identification of s***m whales. They found evidence of habituation, with individuals becoming more tolerant of the research vessel once they had encountered it more often.

You can find the open access paper at: doi.org/10.1371/journal.pone.0348681

Next for our lab member introductions is: Daisy !!Daisy is a fourth year undergraduate Marine Biology student completin...
06/05/2026

Next for our lab member introductions is: Daisy !!

Daisy is a fourth year undergraduate Marine Biology student completing her honours with the Whitehead Lab. She’s currently studying northern bottlenose whales. For her project, Daisy is using drone imagery to explore whether differences in whale head (melon) shape and body length can be used to identify s*x in this elusive, deep-diving species. Reliably identifying the s*x of individuals is crucial in order to understand and monitor northern bottlenose whale population dynamics, which in turn is important for ongoing conservation efforts for this species.

When she’s not measuring whales, you’ll probably find her gazing wistfully at the ocean from the LSC’s windows or actually in the ocean any chance she can get!

Last month, Christine Clarke (Whitehead Lab PhD candidate .you.know.by.christine) spoke about her research currently und...
04/28/2026

Last month, Christine Clarke (Whitehead Lab PhD candidate .you.know.by.christine) spoke about her research currently underway on the vocal behaviour of male s***m whales. By characterizing what these whales say, Christine aims to better understand their culture and how they fit in to broader s***m whale society. This was at Simon Fraser University’s Inter-Departmental Ecology of Aquatic Systems Symposium ***mwhale

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