17.6.2 The collapsing border model. In the collapsing border model, it is possible to specify borders that surround all or part of a cell, row, row group, column, and column group. Borders for HTML's rules attribute can be specified this way.
Cancel. Giraffes can live up to 26 years old in the wild, but they can live much longer in captivity where disease and predators are absent. Discover a giraffe's life cycle with information from an animal behavior specialist in this free video on zoo animals. Part of the Video Series: Zoo Animals.
There is no seasonal breeding season for the giraffe. A Masai Giraffe can breed at the age of 4 years. About 50 to 75% of the calves die in their first few months due to predators. A single calf is born after a 14 â 15 month gestation period. The calf is 6 feet tall when born and grows rapidly.