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.
I wouldn't think the average was 50 - some equines have been known to live into their 50s but it's pretty rare. This article says that minis average 25-35 years.