Dog On A Tree

2. Montezuma Cypress Taxodium mucronatum: 11.62 m (38.1 ft), Árbol del Tule, Santa Maria del Tule, Oaxaca, Mexico. Note though that this diameter includes buttressing; the actual idealised diameter of the area of its wood is 9.38 m (30.8 ft).
3. Giant Sequoia Sequoiadendron giganteum: 8.85 m (29 ft), General Grant tree, General Grant Grove, California, United States
4. Coast Redwood Sequoia sempervirens: 7.9 m (25.9 ft), Lost Monarch Jedediah Smith Redwoods State Park, California, United States.
5. Australian Oak Eucalyptus obliqua: 6.72 m (22 ft)