Zebra black and white at birth. Plains and mountain zebra foals are protected by their mothers, as well as the head stallion and the other mares in their group. Grévy's zebra foals have only their mother as a regular protector, since, as noted above, Grévy's zebra groups often disband after a few months. Attempts have been made to train zebras for riding, since they have better resistance than horses to African diseases. While occasionally successful, most of these attempts failed due to the zebra's more unpredictable nature and tendency to panic under stress. For this reason, zebra-mules or zebroids (crosses between
Ice Station Zebra the International Geophysical Year (IGY.). Footage from "Ice Station Zebra" (and the model of the "Tigerfish") was also re-used in "The Six Million Dollar Man" two-part episode "Wine, Women, and War," the 1978 disaster film "Gray Lady Down", the 1983 James Bond film "Never Say Never Again", and the 1982 Cold War thriller "Firefox". Sportscaster Chris Berman, known for his whimsical nicknames for athletes, referred to major league pitcher Bob Sebra as "Ice Station Sebra". In "Breaking Bad", Saul Goodman has a holding company called Ice Station Zebra Associates, which he uses to dodge taxes. It is revealed in the