7/89Rank of dog, cat, snake, and U.S. president, among World Book Encyclopedia entries consulted most often: 1,2,3,4

World Book Encyclopedia (Chicago)

1/00Number of New York City children issued Civil Defense dog tags by 1952 to identify them after a nuclear attack: 2,500,000

Jonas and Nissenson, Going, Going, Gone

8/93Number of American cats fitted with pacemakers last year: 800

American Animal Hospital Association (Denver)

8/88Chances that an adult will die after a fall from six stories: 9 in 10

Robert Dernling and Kenneth Warner, Brigham and Women’s Hospital (Boston)

    Chances that a cat will: 1 in 10

C.J. Mehlhoff and W.O. Whitney, Animal Medical Center (N.Y.C.)

9/07Number of goats that Chattanooga, Tennessee, has rented to roam city land and clear kudzu: 12

City of Chattanooga Public Works Department

    Number of llamas it has had to rent to guard the goats from neighborhood dogs: 2

City of Chattanooga Public Works Department