This is a personal, non-sponsored post by a member of BuzzFeed's ad content team.Buzz·Posted on Aug 26, 20119 World Record DogsToday is National Dog Day, and that means it's time to measure up the current dogs holding world records, from heaviest to smallest, and everything in-between.by Josh FjelstadBuzzFeed Group Creative DirectorFacebookPinterestTwitterMailLink Dock Jumping: Baxter (Belgian Malinois) Via en.wikipedia.org Leaped 29'7" in May 2011, setting the new all-time record. Best Tracker: Sauer (Doberman Pinscher) Via worldslargestdog1.com A police-trained pinscher, Sauer tracked a thief 100 miles across the Great Karroo in South Africa by scent alone. Longest Ears: Tigger (Bloodhound) Via guinnessworldrecords.com 13.75" (left), 13.5 (right). Drug Sniffing: General W-235 Via rulingcatsanddogs.com Enlisted in the US Army, General was the only drug-sniffing dog with a 100% arrest record, with 220 searches, 220 arrests, and more than 330 seizures of contraband. He was put down in 1983, age twelve. Oldest Dog: Bluey (Australian Cattle Dog) Via petvr.com Born 7 June 1910 in Rochester, Victoria, Australia, Bluey herded sheep and cattle until his death on 14 November 1939, at the age of 29 years, 5 months, and 7 days. Smallest Dog: Elwood (Jack Russell Terrier) Via top20lists.com 3.5" tall, 15oz. Tallest Dog: Gibson (Great Dane) Via worldslargestdog1.com 7' tall, 142lbs. Heaviest Dog: Zorba (English Mastiff) Via 2daysdailyfunny.blogspot.com 343lbs., 8'3" long. Ugliest Dog: Yoda (Chinese-crested / Chihuahua Mix) Via rickey.org This one speaks for itself.