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Zazie Todd, PhD, is an animal behaviour expert and award-winning writer who is at the forefront of the move towards positive animal welfare and kind, humane dog training methods. Todd's latest book, Bark! The Science of Helping Your Anxious, Fearful, or Reactive Dog is out now in hardback and the paperback is coming on June 10th.

A copy of Bark! on a table with 2 cups of tea and a plate of pink macarons. The cover of Bark! is blue, as are the teacups, saucer, and plate.


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“Todd’s step-by-step advice felt relatable and manageable. [...] This book is a must-read for anyone caring for a reactive or anxious dog.” 
—The Times
“Encyclopedic in scope and packed with references to  new findings in animal behaviour.”  
—The Guardian

Get Bark! now from Greystone Books   from Bookshop   From Bookshop(UK)   from Amazon    from other retailers   from Scribe (Australia)

Zazie Todd with her late Australian Shepherd Bodger and the covers of her first 2 books Wag and Purr

Zazie Todd's books, Wag: The Science of Making Your Dog Happy and Purr: The Science of Making Your Cat Happy, are also available wherever books are sold.

Get Purr from Greystone Books    from Bookshop   from Bookshop(UK)   from Amazon    from other retailers  

Get Wag from Greystone Books    from Bookshop   from Bookshop(UK)   from Amazon    from other retailers 


New and Trending



Recent Media Mentions and Interviews with Zazie Todd

Wag more, Bark less, Behavior Buzz with 2 Amys podcast, 30 April 2025

A look back at Your Family Dog, Your Family Dog podcast, 23 April 2025

Can dogs have OCD?, The Farmer's Dog Digest, 16 April 2025

The wolf within, BBC Countryfile magazine, April 2025

The cover of the April issue of Countryfile magazine features a black and white border collie in a sea of bluebells. Spring is here, it reads. It's a dog special and Zazie Todd is quoted in an article inside on the wolf within.

Accepting who your dog is, The British Columbia Review, 28 Mar 2025 (STARRED review)

The Backyard Pet Talk Podcast with Shannon Riley, 15 Mar 2025

Understanding and helping fearful dogs, The Positively Podcast with Victoria Stilwell, 11 Feb 2025​

Paw things: How to help your anxious dog, The Observer magazine, 5 Jan 2025


Upcoming Events



The flyer for the Puppies and Kittens conference from the PPG. Zazie Todd is one of the speakers at the event.

Puppies & Kittens--Preventing Problematic Behaviors from the Onset. Online, May 24-25 2025. Organized by the Pet Professional Guild.


The poster for the Dogs and the City conference has photos of Tom Candy, Zazie Todd, and Malena DeMartini

Dogs and the City conference, in person and online, September 26-28 2025. With speakers Tom Candy, Zazie Todd, and Malena DeMartini in Toronto, Canada. 


Watch the recordings from Bark! Fest

You can watch the recordings on Youtube, listen wherever you get your podcasts, or check out the individual postings on my blog. More recordings coming soon!




Praise for Companion Animal Psychology

"Companion Animal Psychology is, bar none, the single best resource for accessible information on dog and cat behavior."--Jean Donaldson, Academy for Dog Trainers.

"My favourite animal-related blog"--Patricia McConnell, PhD

"For your average pet lover, it can be hard to figure out the best way to make their animals’ lives better. Enter Companion Animal Psychology, a blog packed with research-based information on how pets think."--Erin Blakemore, Washington Post.


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