Скачать или смотреть How dwarf mongoose packs handle immigration | Science News

University of Bristol researchers studied sentinel behavior among South African dwarf mongooses. While some pack members dig for invertebrates and other things to eat, other residents serve as lookouts and sound the alarm to let foragers know about potential predators like snakes and birds of prey. New immigrants to the pack are less likely to participate in guard duty, and residents are less likely to heed their warning calls, the team found.

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Story and production
Helen Thompson

Video
Julie Kern

Music
Overture to “The Barber of Seville” by Gioachino Rossini
Davis High School Symphony Orchestra/MusOpen (Public Domain)
https://musopen.org/music/794/gioachi...
https://creativecommons.org/publicdom...

Citation
J.M. Kern and A.N Radford. Reduced social-information provision by immigrants and use by residents following dispersal. Current Biology. Published online December 4, 2017. doi: 10.1016/j.cub.2017.10.045.