The cows were already lying down in a grove of trees and were sleepily chewing their CUDS.
"Eight Keys to Eden"
Mark Irvin Clifton
He took her across the big open compound near to the place where the long caravan of heavily laden beasts stood chewing their CUDS along one high stone wall, just inside the front gates of the sprawling compound.
"Si'Wren of the Patriarchs"
Roland Cheney
Only the sands and the sea looked distant, though really they were near; and I worried about the groups of cattle gossiping so pleasantly together about their CUDS and calves.
"The Heather-Moon"
C. N. Williamson and A. M. Williamson