Bringing a New Dog Home: A Behavior Clinician's First 30 Days in a Multi-Dog Household
Jul 22, 20269 min read
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Marcus Whitfield
🦎 What I cover
Behavior
Training
Anxiety & Training
Foundational Skills
Behavior & Training
Enrichment & Training
Behavior & Welfare
Senior & Cognitive
📚 All 30 guides by Marcus Whitfield
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Jul 22, 20269 min read
Excessive Barking: The 5 Root Causes and the Training Fix That Matches Each One
Jul 20, 20268 min read
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Leash Reactivity: A Systematic Desensitization Protocol
Jul 16, 20267 min read
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Puppy socialization: how to use the critical 16-week window
Jul 14, 202610 min read
Most puppies I see at 18 months for reactivity were not under-socialized. They were over-socialized in the wrong way. Here is what the 16-week window actually requires, the body language that tells you the puppy is past threshold, and the week-by-week checklist I give every new client.
Separation anxiety: 7 early warning signs and a step-by-step correction plan
Jul 10, 202611 min read
True separation anxiety is a panic disorder, not a training failure. Here are the seven early signs most owners miss, the clinical distinction between three different 'home alone' problems, and the six-week protocol I run with my own clients.
Doorbell diving: how to teach a calm greeting
Jul 8, 20269 min read
A doorbell-diving dog is not stubborn and not dominant. They are a dog who has been rewarded — accidentally — for a behavior that worked. Here is the protocol I use to replace the launch with a calm sit.
Zero-bite family rules: how to keep kids and dogs safe together
May 16, 202616 min read
A certified applied animal behaviorist walks through the family rules that keep children and dogs safe together — the supervision framework, the dog-selection principles, the kid-training components, the household management, and the four mistakes that turn a well-meaning family into a bite incident.
Bringing a new dog home: the first 30 days in a multi-dog household
Mar 7, 202612 min read
A certified applied animal behaviorist walks through the practical first 30 days of bringing a new dog into a multi-dog household — the pre-arrival preparation, the first introduction, the parallel walks, the in-home management, the resource allocation, the common conflicts, the regression handling, the bonding process, and the four mistakes that turn an exciting new addition into a household war.
Dog bites: legal responsibility and a prevention checklist
Feb 22, 202613 min read
A certified applied animal behaviorist walks through the legal and practical realities of dog bites — the actual incidence, the types of liability (strict liability, negligence, the one-bite rule, dangerous dog statutes), the breed-neutral versus breed-specific approaches, the prevention framework (selection, socialization, training, management), the documentation that matters after a bite, the role of homeowner's insurance, the role of the behavior consultant, and the four mistakes that turn a
Excessive barking: 5 root causes and matching training fixes
Jan 15, 202617 min read
A certified applied animal behaviorist walks through the five most common drivers of excessive barking in dogs — and the specific training protocol that addresses each one, with the honesty that some barks are not training problems.
Recall training: the 1-meter to 100-meter progression that builds a reliable recall
Dec 15, 20259 min read
The reliable recall is the difference between the off-leash dog that comes back and the off-leash dog that runs off. Here is the 1-meter to 100-meter progression that produces the reliable dog.
Canine Cognitive Dysfunction: home care for the senior dog that forgets the rules
Nov 22, 20259 min read
The senior dog that paces at night, stares at the wall, and forgets the housetraining is the dog with canine cognitive dysfunction. Here is the home care, the medication, and the environmental adjustments that slow the decline.
Moving house or renovating: behavior adjustments for the resident dog
Oct 31, 20258 min read
The dog that is suddenly living in a new home, or whose home is being torn apart by renovation, is the dog that needs behavior adjustments to get through the disruption. Here is the protocol.
Scent work and nose games you can set up at home for enrichment and confidence
Oct 16, 20258 min read
The dog's nose is the most powerful sensory tool in the household. Scent work tires the dog in 15 minutes, builds confidence, and produces a calmer, more focused dog. Here is the home setup that works.
Thunderstorm and fireworks phobia: a desensitization plan for the noise-reactive dog
Sep 22, 202510 min read
The dog that destroys the door during a thunderstorm is not being dramatic — the dog is in a full panic state. Here is the desensitization plan, the management tools, and the medication backup that actually works.
Working dog vs family companion: how their psychological needs differ and why it matters
Sep 7, 20259 min read
The Border Collie that is destroying the couch and the German Shepherd that is barking at shadows are not "bad dogs" — they are working dogs with unmet needs. Here is how to recognize and meet the difference.
The pack alpha theory: where it comes from, why it is wrong, and what to do instead
Aug 25, 20259 min read
The alpha wolf theory is 80 years out of date and was based on a study of captive wolves that had nothing to do with how wild wolf packs work. Here is the real science and the right approach.
The pack alpha theory: where it comes from, why it's wrong, and what to actually do instead
Aug 25, 202511 min read
The alpha theory is one of the most persistent myths in dog training. It originated in flawed wolf research, was discredited decades ago, and yet millions of owners are still told to 'be the alpha'. Here is the truth.
Dog aggression: a danger-level classification and what to do at each tier
Aug 19, 202512 min read
Not all aggression is the same. The bite-risk levels — green, yellow, orange, red, black — let the owner make informed decisions about safety, intervention, and quality of life for the dog.
Aggression: a danger-level classification and what to do at each level
Aug 19, 202510 min read
Not all aggression is the same. The growl that is a warning is not the bite that is a behavior. Here is the classification, the safety rules, and the intervention at each level.
Puppy socialization: how to use the critical 16-week window without overdoing it
Jun 25, 20259 min read
The 16-week window is the single most important developmental period in a dog's life. Here is how to use it without overwhelming the puppy, and what to prioritize when time is short.
Puppy socialization: how to use the critical 16-week window without overwhelming your dog
Jun 25, 202510 min read
Puppy socialization is the most over-talking-about and under-doing-it topic in dog training. Here is the actual protocol that works — and the mistakes that quietly produce reactive adult dogs.
Obedience foundations: the marker-word + reward mechanic that makes everything else possible
May 31, 20258 min read
Every useful dog behaviour you ever teach relies on one underlying mechanic: marker + reward. Get this right and every other training technique becomes easier. Get it wrong and you'll be fighting your dog forever.
Leash reactivity: a systematic desensitization protocol that holds up in the real world
May 20, 20259 min read
Leash reactivity is the most common behaviour issue I see in adolescent and adult dogs. Here is the systematic protocol I run, with the timing, distances, and decision points that actually work outside the training field.
The 4-month puppy biting phase: why it happens and what to do
May 11, 20256 min read
Every puppy goes through it. Some go through it gently, others go through it like a piranha. The 4-month phase is biology, not misbehaviour — and the protocol that gets you through it intact.
Doorbell diving: how to teach a calm greeting that doesn't involve a stranger's lap
Apr 30, 20257 min read
The dog that launches at the door when it rings is the dog that knocks over your toddler. Here's a 4-week protocol that produces four-on-the-floor greetings.
Crate training: the 5-step progression that works for any dog
Apr 9, 20257 min read
Crate training is the foundation of most other training. Here is the five-step progression that works for puppies, rescue dogs, and adult dogs with no crate experience, plus the mistakes to avoid at each step.
Crate training: the 5-step progression that doesn't backfire
Apr 9, 20257 min read
A crate that the dog chooses to enter is a management tool that lasts a lifetime. A crate the dog was forced into is a panic generator. Here is the step-by-step that builds the first kind.
Separation anxiety: 7 early warning signs and a step-by-step correction plan
Apr 3, 20258 min read
True separation anxiety is a panic disorder, not a training problem. Here are the seven signs that tell you your dog has it, and a six-week protocol that actually resolves it for most cases.
Resource guarding: a tiered modification plan that respects the dog
Mar 8, 202510 min read
Resource guarding is not defiance and not dominance. It is a dog that has learned — usually for good reason — that humans take things. Here is the step-by-step plan to change that equation.