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Indian Runners (Anas platyrhynchos domesticus) are an unusual breed of domestic duck. They stand erect like penguins and, rather than waddling, they run. The females usually lay about 150 – 200 eggs a year or more, depending whether they are from exhibition or utility strains. They were found on the Indonesian Islands of Lombok, Java and Bali where they were 'walked' to market and sold as egg-layers or for meat. These ducks do not fly and only rarely form nests and incubate their own eggs. They run or walk, often dropping their eggs wherever they happen to be. Duck-breeders need to house their birds overnight or be vigilant in picking up the eggs to prevent them from being taken by other animals.
originally posted by: bigfatfurrytexan
interesting....they are on the ground, but still move like they were flying in a flock formation.
originally posted by: bigfatfurrytexan
interesting....they are on the ground, but still move like they were flying in a flock formation.
Flocking behavior is the behavior exhibited when a group of birds, called a flock, are foraging or in flight. There are parallels with the shoaling behavior of fish, the swarming behavior of insects, and herd behavior of land animals.
Computer simulations and mathematical models which have been developed to emulate the flocking behaviors of birds can generally be applied also to the "flocking" behavior of other species. As a result, the term "flocking" is sometimes applied, in computer science, to species other than birds.