Even the phlegmatic oxen that drew the wagons bawled and slavered while they strained forward, twisting their heads under the heavy yokes.

They stopped oftener than usual to rest, and when Buddy was permitted to walk with the perspiring Ezra by the leaders, he wondered why the oxen's eyes were red, like Dulcie's when she had one of her crying spells.
At night the cowboys did not tie their horses and sit down while they ate, but stood by their mounts and bolted food hurriedly, one eye always on the restless cattle, that walked around and around, and would neither eat nor lie down, but lowed incessantly.

Once a few animals came close enough to smell the water in a bucket where Frank Davis was watering his sweat-streaked horse, and Step-and-a-Half's wagon was almost upset before the maddened cattle could be driven back to the main herd.
"No use camping," Bob Birnie told the boys gathered around Step-and-a-Half's Dutch ovens.

"The cattle won't stand.

We'll wear ourselves and them out trying to hold 'em-they may as well be hunting water as running in circles.