Pet Resource Center

Black and white Border Collie with mouth open in a happy expression, looking slightly upward
Brown wirehaired dog looking attentively at a blue clicker held by a human hand with yellow coil wristband

Behavior Help Line

Schedule a Behavior Help Line appointment

If you attempt to schedule a Behavior Helpline appointment and find that you require more urgent behavior support, please reach out to us at 303.751.5772 and ask for an Emergency Behavior Helpline appointment.

Other Resources

Find classes, private lessons or certified trainers:

The Certification Council for Professional Dog Trainers®

International Association of Animal Behavior Consultants

Resource Library

Gray and white puppy with paws on wooden fence, peeking over the top with mouth open against green grass background

Dog behavior: The dog escape artist

Escaping is a serious problem for both you and your dog, as it can have tragic consequences. If your dog is running loose, he is in danger of being hit by a car, being injured in a fight with another dog, or being hurt in several other ways. Additionally,…

Tabby cat with wide eyes peeks out from under a white towel, ears flattened, appearing anxious or scared

Cat Behavior: The fearful cat

When cats feel threatened, they usually respond in three ways to the object, person, or situation they perceive as a threat: fight, flee, or freeze. Some cats become so frightened they lose control of their bladder or bowels and eliminate right where they are. Each cat has his/her preferred…

Small white and tan Jack Russell Terrier on leash happily walking alongside person in black leggings on gravel path

Enriching activities for dogs

Your dog is a living, breathing animal that relies on you for almost literally everything (food, water, shelter, play time, potty breaks…). Taking care of your dog’s physical and mental enrichment is part of being a dog owner. Dogs that get enough mental and physical exercise are going to…

Black and white dog lying on grass, looking away with a tense posture and wary expression

Dog behavior: The fearful dog

Dogs can be afraid of a lot of different things. A frightened dog might also do a lot of different things when it’s afraid. Scared dogs might freeze, or try to run away, to calm down the scary thing, or to scare away the scary thing. Scared dogs might…

Close-up of a black and white dog's face with intense amber eyes and a direct, focused stare

Dog behavior: Understanding aggressive behavior

Aggression means intent to do harm. The word aggression however can refer to a range of behaviors from barking and growling, snarling and snapping, to biting and attacking. Threats of aggression are one-way dogs have of communicating and are often displayed as a means of avoiding outright aggression. However,…

Black and white tuxedo cat with folded ears and yellow-green eyes looking up with a tense, wary expression

Cat behavior: Understanding cat aggression towards people

Cat owners sometimes have difficulty understanding why their cats, who seem to be friendly and content one minute, may suddenly bite and scratch them the next. Aggressive behaviors are part of the normal behavioral patterns of almost any animal species. Cat bites are seldom reported, but may occur more…

A hand holds a blue dog training clicker while a tan dog with tongue out sits attentively in the background

Understanding reactivity in dogs

Reactivity is not aggression. Aggression means intent to do harm and though reactivity can look aggressive in nature when your dog is barking and lunging on leash, there is no intention to do harm. Many reactive dogs live well with other dogs or play well at dog…

Happy tan and white dog holding a red and yellow tennis ball in its mouth with tongue out on sunny day

Canine enrichment: Dog toys and how to use them

Many behavior problems in dogs are the result of boredom or excess energy. Toys offer mental and physical stimulation and enrichment. Directing your dog’s energy into play with toys can prevent or help resolve such problems as digging and chewing on furniture, shoes or shrubbery. Toys we recommend Interactive…

Chocolate brown puppy with blue eyes and purple collar looking up at camera, sitting next to colorful blankets

Stages of puppy development and their behavior

Although feeding time is important, it’s also vital to include petting, talking, and playing, in order to help your puppy build good “people-skills.” Well-socialized mothers are more likely to have well-socialized puppies. Puppies “feed” off their mothers’ calm or fearful attitude toward people. Puppies are usually weaned at six…

Orange tabby kitten with blue eyes and purple collar meowing, showing small teeth and long white whiskers

Stages of kitten development and their behavior

Well-socialized cats are more likely to have well-socialized kittens. Kittens “feed” off of their mothers’ calm or fearful attitude toward people. Although feeding time is important, it’s also vital to include petting, talking, and playing in order to build good “people-skills” in your kitten. Kittens are usually weaned at…

Gray British Shorthair cat with orange eyes scratching a sisal-wrapped cat tree post

Destructive scratching in cats

Why do cats scratch? It’s normal for cats to scratch objects in their environment for many reasons: Because scratching is a normal behavior, the goal in resolving scratching problems is to direct the scratching onto acceptable objects and provide appropriate outlets. Training your cat to scratch acceptable objects…

Black and white Border Collie holding a worn yellow tennis ball in its mouth against a white background

Destructive chewing

It is normal for dogs to explore the world with their mouths. However, chewing can be directed into appropriate items so your dog is not destroying items you value. Until he has learned what he can and cannot chew, it is your responsibility to manage the situation as much…

Small brown and tan dog with soulful eyes tilting head sideways, looking up with curious expression

When the pet behavior helpline can’t help

Our Animal Behavior Helpline counselors have completed an extensive training program taught by animal behavior professionals. They are able to assist pet owners with many types of problems; however, there are some that can’t be resolved by email or phone, because it isn’t safe or accurate to diagnose certain…

Cowboy in white shirt and jeans holding rope reins while seated on ornate leather western saddle atop dark horse

Whoa, baby

Over the years, I’ve had numerous conversations with folks telling me they have trouble stopping their horses. I often hear, “I’ve tried this bit, I’ve tried that bridle, and nothing seems to get my horse to stop.” If you have this problem, you’re certainly not alone–but in order…

Golden retriever puppy lying down and chewing on a colorful interlocking rubber ball toy

Dealing with normal puppy behavior: chewing

Puppies explore their world by putting things in their mouths. In addition, puppies are teething until they’re about 6 months old, which usually causes them some discomfort. Chewing not only facilitates teething, but also makes sore gums feel better. While it is perfectly normal for puppies to chew on…

Woman with tattoos and striped shirt holding a black and white cat with green eyes against a peach background

Your new cat: What to know when you get home

Congratulations! We are very excited that you have decided to adopt a new cat. We want this to be a positive experience so that you and your new cat can live happily together for a long time, so here are some tips for starting your new relationship off on…