Behavior Enthusiast T-Shirts

"They took my pellets, man, I been hitting' that lever al day, they took my PELLETS!"

"I dunno, looks like a trap."

Frank was certain his Bird of Paradise mating dance would press all the right buttons with Margaret.

"But if you cure my hypochondria I won't have any hobbies."

"Are there treats? Just grab the treats and get outta there!"

"I'm just going to ring the doorbell so I have a chance of a spot in the bed."

"Is that true, Charles? You leave your crap all over the house?"

'Doctor, I don't want to eat mouseburgers, I want to be normal like everybody else.'

"Hey Neil, you wanna come hang out with us today?"

"I'll take this one."

"Hey! There's a hair in my soup!"

Dog Bar with Toilets.

Deer Crossing Traffic Signs You Don't Often See.

'Humans do it, why couldn't we? Instead of chasing food, we could breed it: It's all explained in my report...'

"He may be neutered and declawed, but he's still dangerous."

"My System 1 tells me she's articulate, capable, shrewd. My System 2 says BIMBO."

'Dad, this is so cool: Next month is a Blue Moon month, with two full moons instead of one!'

OMG UR HOT

"When I go, I’d like my ashes dumped on top of a squirrel’s head."

"I plan on keeping this off my resume!"

"You have got to want to change."

Cat going to litter box with newspaper to read.

Cat does not want to chase the stick.

The universe that has me at the center of it is my kind of universe!

'Harvey, I'm afraid the dog has the mailman intimidated.'

"[UNABLE TO PROCESS THIS IMAGE]"

"He's so well behaved I'm really worried, doctor."

Cat Love Ads: "Are you; 'Stubborn, lazy, unfaithful and psychopathic...with no sense of humour?""

"I see a psychiatrist holding a Rorschach test."

Pavlov's Dog, Ph.D.

"Wait ... now I forgot what I was going to bark at you for."

'Astonishing! I just used a compass to follow the moral course of our company!'

"People are crazy."

"Do you think those sounds they make are some primitive attempt to communicate with each other?"

"Now, the last one was not a "mating call", but a "mates call". I agree that they are very similar, but it's important not to mix them up..."