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.