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Happy cats. Happy dogs. Thanks to science.

Join the newsletter and learn how to have even happier pets one 5-minute email at a time. If you'd like to support Companion Animal Psychology, you can become a member, founding member, or buy me a coffee.

I'm Zazie Todd, PhD. I'm an animal behaviour expert and award-winning writer. I'd love to help you have an even better relationship with your dog or cat.

Zazie Todd cuddles her senior Shih Tzu, Pepper. Zazie is wearing a red jacket and Pepper is wearing a blue bandana. They are sitting on a chair and behind them is a meadow full of yellow wildflowers.

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Get Bark! now from Amazon    from Bookshop   from Greystone Books       from other retailers   from Scribe (Australia)
Get Purr from Amazon    from Bookshop    from Greystone Books      from other retailers  
Get Wag from Amazon    from Bookshop   from Greystone Books       from other retailers 

The covers of the books Bark! Wag and Purr by Zazie Todd. The covers are blue with a cute Chihuahua, yellow with a tabby cat, and green with a Bernese mountain dog.
“This book [Bark!] is a must-read for anyone caring for a reactive or anxious dog.” 
—The Times

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Upcoming Events

Counterconditioning: How to get it right. Grisha Stewart Academy webinar, August 12, 10am Pacific time / 6pm UK time


The flyer for DogX at the University of Winchester has a party vibe and shows photos of the speakers which includes Dr. Zazie Todd

DogX by PACT, University of Winchester, UK, 18 October 2026. Join me on Oct 18th in Winchester for a day of high-impact talks on canine science and behavior. Don't miss out, DogX is already 50% sold out!

BehavioUr Eh!, March 5-7 2027, Chasin' Tails, Calgary, AB, Canada. In person and online.

Media Mentions and Interviews with Zazie Todd

As seen in The New York Times, The Guardian, The Vancouver Sun, Global National, CBC Radio, Radio New Zealand, and more, here are some of my media mentions.

Animal behavior expert explains 17 common things people get wrong about cats, Bored Panda, 24 June 2026

Should you let your dog sleep in your bed?, The Farmer's Dog Digest, 28 April 2026

Do hormones determine your dog's behavior?, The Farmer's Dog Digest, 14 April 2026

The clout of Companion Animal Psychology, Zazie Todd interviewed by Marc Bekoff at Psychology Today 11 April 2026

Inside the science of cat happiness with Zazie Todd, Hiss & Tell podcast, (Apple, Spotify, Youtube)​


Seven secrets to happy dogs and cats




Watch some of my post popular Youtube videos






Listen to the most popular episodes of my podcast




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. 



Praise for Companion Animal Psychology


"A precious resource of all companion animals"--Marc Bekoff, PhD

"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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