Maternity colony (bats) of a maternity colony. Predators such as hawks and owls can learn to anticipate the emergence of bats from a specific roost at sunset. Smaller colonies are thought to be less risky than larger colonies, because the nightly emergence of bats would attract less attention. 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
Bats of Canada their ability to fly, and rarely become aggressive. Careless handling of bats is the main cause of rabies transmission, which has resulted in five human cases in Canada since 1925. Fewer than 2% of bats in Canada are rabid, 95% of which are big brown bats. Testing bats for rabies is usually performed by the Canadian Food Inspection Agency. Inhalation of dusty bat manure may result in histoplasmosis, which will present as a mild respiratory infection. There are no pesticides that may be used on bats in Canada. In 2011, the Nature Conservancy of Canada received a $50,000 grant from