Cowbirds follow herds of bison to catch and eat the insects that are stirred up from the bison's feet. there are other bugs and flies that are attracted to the animal. The bison allow the birds to sit and rest as they guard them from the pests. It is what is called a symbiotic relationship.
The two live in a symbiotic relationship ; ticks like to feed upon Bison and the Cowbirds , in turn , feed upon the ticks .
Cowbirds eat insects disturbed by the bison as they graze, and will pick ticks off the bison's hide.
cowbirds
The cowbirds remove ticks from the bison, while the bison disturb insects that are picked up by the birds.
Cowbirds lay their eggs in other birds nests, leaving the young to be raised by the host species.
Cowbirds eat the parasites that may infest the bison. This assists them both. The cowbird gets a meal and the bison gets cleaned. This is a form of mutualism, a symbiotic relationship in which both organisms are helped, rather than commensalism where only one of the pair benefits.
the cowbirds work with the other birds
both are creatures of the plains,but the cowbird now lives east to atlantic.
The cowbird and the bison do have a few disadvantages in their relationship. Although the bison probably cannot feel it, the cowbird might be annoying with all the pecking and flocking around. The cowbird might get trampled if the bison decide to stampede.
The relationship is called parasitism. The cowbirds raid the other bird's nest and lay their eggs there. The other bird has to migrate to another tree to build a new nest.
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A group of cowbirds is known as a "corral" and a "herd" of cowbirds.