In any case, the collies are kept under tight control by their human handlers.
In short order Elizabeth took the stage, accompanied by a human handler.
A rearing horse can also break away and escape from a human handler.
Singer argued that he had been firing in the direction of the police dogs, and had not intended to strike the human handler.
Burlington had suggested that the whole operation was a one-way trip for the human handlers as well as the Grogs.
Bulls, especially, are powerful and sometimes unpredictable animals which, if uncontrolled, can kill or severely injure a human handler.
The condition is a result of the llama imprinting on its human handlers to such a degree that it considers them to be fellow llamas.
The other cameras, without human handlers, will tilt and zoom after receiving computerized instructions that track the movements of the technician's camera.
The very act of training dogs can also act as a therapy for human handlers, as in a prisoner rehabilitation project.
Female spiders will kill a rival if the loser does not quickly flee or receive the aid of a human handler.