Maternity colony (bats) Maternity colony (bats) A maternity colony refers to a temporary association of reproductive female bats for giving birth to, nursing, and weaning their pups. The colonies are initiated by pregnant bats. After giving birth, the colony consists of the lactating females and their offspring. After weaning, juveniles will leave the maternity colony, and the colony itself will break apart. The size of a maternity colony is highly variable by species, with some species forming colonies consisting of ten or fewer individuals, while the largest maternity colony in the world in Bracken Cave is estimated to have over 15 million bats.
BATS Global Markets trading in the affected symbols but decided to withdraw the Bats stock offering. Following the failed IPO, the Bats board of directors decided to separate the roles of chairman and CEO. Joe Ratterman had previously held both roles. Ratterman received the “unanimous support” of the directors to retain the positions of CEO and president. In July 2012, Bats named Paul Atkins, a former U.S. Securities and Exchange commissioner, to the role of non-executive chairman of its board of directors. In January 2013, Bats admitted that what it called a "system issue" had generated problems with more than 400,000 trades, going