What Pets Actually Want & Need | Dr. Karolina Westlund

April 28, 2025Dr. Karolina Westlund science psychology health

TL;DR

Understanding animal body language and breed-specific behaviors is essential to meeting your pet's actual needs rather than imposing human expectations
Dogs have distinct predatory sequences and breed-related traits that influence how they play, interact, and respond to their environment
Cats and birds have fundamentally different behavioral needs and communication styles compared to dogs, requiring distinct care approaches
Weaning age and early social experiences impact a pet's attachment style and emotional development throughout their lifetime
Spaying and neutering have both benefits and drawbacks that pet owners should understand to make informed decisions for their animals
Simple environmental and behavioral adjustments based on evolutionary biology can dramatically improve pet health, well-being, and human-animal relationships

Episode Recap

In this episode, Dr. Andrew Huberman speaks with Dr. Karolina Westlund, a leading ethologist from the University of Stockholm, about the science behind what pets actually need and want. Dr. Westlund challenges many common assumptions pet owners hold about their animals, emphasizing that understanding a pet's biology and evolutionary history is crucial to providing proper care.

The conversation begins with an overview of Dr. Westlund's research on animal emotions and behavior across multiple species, including horses, dogs, and cats. She explains that many pet problems stem from owners projecting human values and expectations onto animals rather than recognizing their innate biological needs and drives.

A significant portion of the episode focuses on dog behavior and breed characteristics. Dr. Westlund discusses how different dog breeds were selectively bred for specific traits and behaviors, which continue to influence their personalities and needs today. She explains the predatory sequence in dogs, how their sense of smell shapes their experience of the world, and why certain breeds have different social and environmental requirements. Understanding these breed-specific traits helps owners provide appropriate outlets for their dogs' natural behaviors rather than trying to suppress them.

The discussion also covers interpreting animal body language, which is often misunderstood by humans. Dr. Westlund provides specific examples of how to read dogs' and cats' signals, emphasizing that anthropomorphizing animals can lead to misinterpretation of their true emotional and behavioral states.

Cats receive particular attention as animals with fundamentally different needs and communication styles compared to dogs. Dr. Westlund explains how cats' solitary hunting nature influences their behavior and social preferences, and why forcing cat-dog interactions or expecting cats to behave like dogs often leads to stress and behavioral problems.

The episode addresses practical topics such as spaying and neutering, exploring both the benefits and potential drawbacks of these procedures. Dr. Westlund discusses how weaning age impacts attachment styles in animals, explaining that early separation from littermates can have lasting effects on an animal's social behavior and emotional regulation.

Throughout the conversation, Dr. Westlund emphasizes that improving pet well-being does not require complex interventions but rather simple changes based on understanding animal biology. She provides actionable advice for pet owners, trainers, and animal lovers wanting to strengthen their relationships with their animals and enhance their quality of life. The episode combines rigorous scientific evidence with practical application, making it valuable for anyone responsible for animal care.