Writing

As a freelance science-writer, Gregg has published articles in The Wall Street JournalAeon MagazineScientific AmericanBBC EarthBBC FocusSlateNew Scientist, among others. He has blogged for Earth Touch, Oxford University Press Blog, and created and hosted The Dolphin Pod.

The Wall Street Journal
The Modern Science of Dolphin Intelligence (original title) (December 2013)

Aeon Magazine
Do dolphins really share a special bond with humans? (November 2013)

Scientific American
A New Frontier in Animal Intelligence (Mind Matters blog, October 2013)

Salon
How a quirk of the brain prevents us from caring about climate change  (May 2022)

BBC Earth
Is your toddler really smarter than a chimpanzee? (October, 2014)
Are dolphins cleverer than dogs? (September 2014)

BBC Focus
How smart are dolphins? (Print edition, February, 2013)

Slate
You Had Me at “Cybernetic Dolphins” (Future Tense blog, November 2013)

New Scientist
Dolphins get the point (Third Prize Wellcome Trust and New Scientist Essay Competition 2008)
Will humans ever be able to speak or even understand dolphin? 
(Last Word Column, July 2013)

Psychology Today blog (Elegant Arguments)
Is Aphantasia a Memory Disorder? (November 15, 2022)
Why Autism Might Not Make You a Better Environmentalist (August 18, 2022)
The Science Behind Why We Love "The Office" (April 29 2022)
What Is Eurovision Studies? (May 17,2022)

The Narwhal Diaries (newsletter)
Read at this link

Earth Touch
A pilot whale choked to death when a fish tried to escape through its blowhole (November 20 2015)
Welcome to ‘Octopolis’, an underwater battleground where octopus warfare is heating up (September 1 2015)
Miracle of dolphin birth interrupted when male dolphins attack newborn calf (July 23 2015)
Top 6: Places where you can swim with giant ocean predators (November 4 2014)
Top 4 dolphin science discoveries you might have missed this year (Sept 30, 2014)
This hero octopus mom sits on her eggs for four and a half YEARS (July 30 2014 )
New report says our oceans are dying – but it’s not too late to change that ( June 27 2014 )
New study: Male frogs sound sexier in storm drains (June 05 2014 )
It’s time to figure out just how smart honey badgers really are (May 08 2014 )
Has the United States resumed whaling? Unintentionally, yes. ( February 25 2014 )
Unsolved mystery: What are those weird bumps on the heads of humpback whales? (February 28 2014)
Five places where you can swim with giant ocean predators (February 19 2014 )
Six ocean animals you never knew used tools (January 22, 2014)
Is trophy hunting hastening the polar bear’s demise?  (January 28, 2014)
Svalbard’s glaciers are dying – and they’re taking a fragile ecosystem with them (February 6, 2014)

Oxford University Press Blog
Are you as smart as a dolphin? [quiz] (February 27 2015)
The dawn of animal personhood (December 19, 2013)
The precarious future of ocean megafauna (October, 2013)
Do dolphins call each other by name?
 (July, 2013)

The Huffington Post
Dolphins Sometimes Carry Weapons (November 25 2015)
Dolphins Don’t Sleep (November 23 2015)
Dolphins Almost Never Drown (November 18 2015)
Meet the Weirdest Dolphin in the Ocean: The Spinner Dolphin (November 15 2015)
Do dolphins even want to talk to us? (December, 2013)
Are dolphins dumb? (September, 2013)
Do dolphins call each other by name? (August, 2013)

Diver Magazine
Dolphins in the deep (original title) (Deep Breath column, print edition – December 2013)

The Dolphin Pod (Podcast)
Ship Strikes, Emie’s questions 14 February 2009
The Dolphin Species Song 05 July 2008
Dolphin communication, cookie cutter sharks26 April 2008
Dolphin personalities, dolphin mittens (flippers)19 March 2008
Dolphins and whales in the Middle Ages, magnetite04 March 2008
Dolphin sleep behavior, dolphin teeth 15 February 2008
The truth about Dolphin Assisted Therapy, pink dolphins 01 February 2008
Humpback whale echolocation, Pelorus jack 01 January 2008
Amazon River Dolphin, Dolphin Color16 December 2007
Dolphin Buoyancy, Dolphin Hair19 November 2007
SMM Conference, Spy Hopping, Surfing Dolphins 07 November 2007
Top 5 Dolphin Myths, Ben Underwood 28 October 2007
Dolphin Vocalizations 11 July 2007
Dolphins get the point 04 June 2007
Bubble Rings 25 May 2007
Mikura Research 2007 17 May 2007
Narwhal Oceanographers 21 April 2007
Scats and Dogs 08 April 2007
Dolphin Antennas 30 March 2007
Where does the word ‘dolphin’ come from? 17 March 2007
The Dolphin’s Vestibular Sense 03 March 2007
Dolphin Eyeballs 22 February 2007
Fungie the Dingle Dolphin 14 February 2007
The narwhal’s tusk 23 January 2007
The Year of the Dolphin 10 January 2007
Holiday Podcast 24 December 2006
Baiji Extinct! 22 December 2006
Dolphins who need dolphins 12 December 2006
Do dolphins have a language? 24 November 2006
Dolphins recognize themselves in mirrors 06 November 2006
Dolphin Tool Use 23 October 2006
How does echolocation work? 09 October 2006
How to identify individual dolphins 03 October 2006
Know a dolphin’s body parts 24 September 2006
Dolphin breathing – it’s the thought that counts 20 September 2006
Herman’s Dolphin Prodigies 12 September 2006
The Dim Dolphin Controversy 05 September 2006
Is that a dolphin or a whale 28 August 2006
So high it Hertz 22 August 2006
Stunning New Research 15 August 2006
The Hollywood Dolphin Squeak 14 August 2006
The Inaugural Episode 14 August 2006

 

Peer Reviewed Scientific Articles

Dudzinski, K.M., Danaher-Garcia, N., Gregg, J.D. (2013). Pectoral fin contact between dolphin dyads at Zoo Duisburg, with comparison to other dolphin study populations. Aquatic Mammals. 39(4): in press

Dudzinski, K.M., Gregg, J.D., Melillo-Sweeting, K., Seay, B., Levengood, A., Kuczaj, S.A. (2012) Tactile Contact Exchanges Between Dolphins:  Self-rubbing versus Inter-individual Contact in Three Species from Three Geographies. International Journal of Comparative Psychology, 2012, 25, 21-43

Dudzinski, K.M., Gregg, J.D., Paulos, R.D., Kuczaj, S.A. (2010) A comparison of pectoral fin contact behaviour for three distinct dolphin populations. Behavioural Processes, 84:559–567 (please contact DCP to receive a PDF)

Dudzinski, K.M., Gregg, J.D., Ribic, C.A., Kuczaj, S.A. (2009) A comparison of pectoral fin contact between two different wild dolphin populations. Behavioural Processes, 80:182-190

Gregg, J.D., Dudzinski, K.M., Smith, H.V. (2007) 3D MASC: a method for estimating relative head angle and spatial distance of dolphins from underwater video footage. Animal Behaviour doi:10.1016/j.anbehav.2007.09.009 (352k)

Gregg, J.D., Dudzinski, K.M., Smith, H.V. (2007) Do dolphins eavesdrop on the echolocation signals of conspecifics? International Journal of Comparative Psychology, 20: 65-88 (170kb)

Gregg, J.D., Dudzinski, K.M., & Smith, H.V. (in prep) Eavesdropping behaviors in wild Indo Pacific bottlenose dolphins (Tursiops aduncus) Aquatic Mammals

Gregg, J. D. (2007) Book Review: Rational Animals? Aquatic Mammals, 33(2), 246-247.

Gregg, J.D. (2008) Joint Attention and Echoic Eavesdropping in Wild Bottlenose Dolphins (Tursiops aduncus). PhD Thesis, University of Dublin, Trinity College

Conference Presentations

Dudzinski, KM, Melillo-Sweeting, K, Gregg, JD. (in press). Using the Song Meter 2 Marine Recorder to assess dolphin calls and ambient and anthropogenic noise levels. For: Proceedings of Acoustics 2013 meeting. Budapest, Hungary. August 2013.

Dudzinski, KM, Gregg, JD, Melillo-Sweeting, K, Levengood, A, Seay, B., Kuczaj II, SA. 2012. Tactile contact exchanges between dolphins: self-rubbing versus inter-individual contact in three species from three geographies. International Journal of Comparative Psychology – Special Symposium Issue 25: 21-43

Gregg, J.D. (2012) The Fuzzy Line Between Science Advocacy and Science Fiction. Minding Animals Conference 2012, Utrecht University, The Netherlands, July 4th – July 6th

Dudzinski, KM, Gregg, JD, Melillo, K, Kuczaj II, SA. 2010. Tactile contact exchanges between dolphins: self-rubbing versus inter-individual contact in three species from three geographies. 15th Biennial Conference for the Society of Comparative Psychology, Awaji Island, Japan, 19-21 May 2010.

Dudzinski,KM, Gregg, JD, Kuczaj, SA, Paulos, RD. 2009. A comparsion of pectoral fin contact behavior for three distinct dolphin populations. Abstracts of the 18th Biennial Conference on the Biology of Marine Mammals, Quebec, Canada, 12-16 October 2009.

Gregg, J.D., Dudzinski, K.M., & Smith, H.V. (2007) Do you hear what I hear? Testing the eavesdropping hypothesis on a population of wild Indo-Pacific bottlenose dolphins (Tursiops aduncus) 17th Biennial Conference for The Society for Marine Mammalogy, Cape Town, South Africa 29th November- 3rd December, 2007

Gregg, J.D., Dudzinski, K.M., & Smith, H.V. (2007) A cognitive model of joint attention in dolphins. 44th  Annual Meeting of the Animal Behavior Society, Burlington, Vermont July 21 -25th, 2007

Book Chapters

Dudzinski, K.M., Gregg, J. (2017). Communication. In (W.F. Perrin, B. Würsig, H.C.M. Thewissen, eds) Encyclopedia of Marine Mammals, third edition. Academic Press, Inc. (pp. 210-215).

Dudzinski, K.M., Thomas, J. Gregg, J.D.(2008) Communication. In (W.F. Perrin, B. Würsig, H.C.M. Thewissen, eds) Encyclopedia of Marine Mammals, second edition. Academic Press, Inc.

Popular Science Books

Gregg, Justin (2013). Are Dolphins Really Smart? The Mammal Behind the Myth. Oxford University Press.