Best nest

 作者:曹杠     |      日期:2019-03-07 08:02:00
HOUSE-hunting ant colonies can decide where best to nest even when most workers only visit one prospective site. Eamonn Mallon at the University of Bath colour-coded Leptothorax albipennis ants with paint and videoed them in an arena containing two potential nests. They found the verdict on which one they chose could be measured by the delay between a scout discovering a nest and leading others to it. The better the nest, the shorter the delay. Once the number of ants in the new nest reaches a threshold, “the rest are carried in”, says Mallon,