What’s the third most popular pet?

Cats and dogs are the nations favorite companions, but according to data from the Humane Society and the American Veterinary Medical Association, birds are the No. 3 pet in the country. Approximately 6 percent of U.S. households own a pet bird, with the average household owning two feathered friends for a total estimated population of 12 million.

No sushi for tabby

Cats love fish, but they shouldnt eat it raw, says Dr. Elizabeth Colleran, president of the American Association of Feline Practitioners. Uncooked fatty fish like tuna contain excessive thiaminase, an enzyme that breaks down thiamine, or vitamin B1.

This city is top dog

Livability.com calls Portland, Oregon, the most pet-friendly city in the U.S. The Pacific Northwest city of 500,000 boasts 32 off-leash dog parks, expansive urban parks and service providers ranging from pet-treat bakeries to pet-law attorneys.

According to the American Pet Products Association, Americans spent $48 billion on their pets in 2010.

Dogs with glucose monitors?

According to researchers at the University of Missouri-Columbia, the incidence of canine diabetes has increased 200 percent since 1980. Now, in addition to traditional treatments like restricted diets and insulin, veterinarians are sometimes placing continuous glucose monitors under the skin to help monitor the condition of diabetic dogs not responding to conventional treatment.