herd

Any major construction project is a herding expedition in a blinding fog, and it can be a test of patience and sanity.

It has also been found in wild elephant herds and in some sanctuaries and elephant orphanages.

In addition to endangered populations, the base is home to a herd of North American bison, one of only two wild conservation herds of bison in California.

Cats are exquisitely sensitive to H5N1; one of the telltale signs that a dairy herd is infected is the presence of dead barn cats.

She believes vaccines stand in the way of natural herd immunity.