US cattle population up in recent centuries; North American bison population down

Cow Fart Task Force? - The Daily Shakedown

Here’s a little fun fact for you today! If America could reduce national cow fart production by 25%, it would be equal to removing the greenhouse-gas emissions of 1.25 million cars.

February 4, 2009 - U.S. Cattle Inventory Down Two Percent

According to USDA’s January 30, 2009 Cattle Report, all cattle and calves in the U.S., as of January 1, 2009, totaled 94.5 million head

Sunset Ridge Buffalo Farm - Bison Facts

The great American bison is a truly magnificent animal. It is the largest land mammal in North America since the end of the Ice Age. Estimates of the pre-European herd size vary from 30,000,000 to 70,000,000 animals and they ranged over most of North America.

Google Answers: Wild buffalo herds in the US

According to the National Bison Association there are only 350,000 buffalos in North America today.