colonies are dominated by a single, large queen who produces the eggs that give rise to all of the colony's individuals, which can number millions of workers.
Couzin began his army ant
analysis by formulating a mathematical model to describe an individual rushing along a chemically marked trail until it detects a possible obstacle and chooses whether to turn aside.
Among the best known associations of commensal foraging are those between birds and army ants
(Oniki and Willis 1972, Willis and Oniki 1978, Willis 1983).
Some bird species are obligate army ant
raid attendants that obtain most or all of their food at army ant
swarms (Willis and Oniki 1978, Swartz 2001, Willson 2004, Brumfield et al.
Ground-cuckoos (Ayes: Cuculidae) as army ant
Guans detected on the forest floor were taking a dust bath, following army ants
(Labidus praedator), or with fledglings.
2] of white-sand forests and encountered between six and eight different army ant
swarms of E.
A unique predatory association between carabid beetles of the genus Helluomorphoides and colonies of the army ant
Researchers from Brazil and England studied a type of army ant
that hunts for food during the day.
As trivial as pothole plugging may seem, Powell and Franks have empirically demonstrated how such behavior can contribute to colony fitness, and that makes it important," comments army ant
specialist William Gotwald Jr.
New and Old World species that display the Army ant
syndrome probably shared a common ancestor some 100,000,000 years ago.
He had never encountered the eyes of a lone army ant
, marching in defiance of falling rocks and rushing water along the great Amazon, the wingless queen who cannot fly from danger, blindly dragging her bloated egg sac as long as at least one leg is left uncrushed; so the dilated pupils in front of him registered insanity.
They already were applied at great expense to insertion and assembly tasks and to pick-and-place, painting, welding and inspection operations, all requiring simple repetitive movement with little intelligence necessary, only stamina -- not unlike a worker bee or an army ant
Attractant-repellent secretions of blind snakes (Leptotyphlops dulcis) and their army ant
prey (Neivamyrmex nigrescens).
exploitation varies in importance among resident bird species.