Most North American animals were classified between 1820 and 1920, the golden age of taxonomy, or biological classification.

During his adventures, he meets all sorts of North American animals.

The word is unrelated to the name of the North American animal, the gopher.

"He'll want it for himself, again," said Blaise, who now understood as well as anyone the nature of the American political animal.

He invited Hawkins to stock it with models of extinct American animals, including dinosaurs.

It reopened after an extensive renovation last fall and is dedicated to North American animals like the mountain lion.

The first American animal testing facilities were opened in the 1860s and 1870s, much to the dismay of animal rights pioneers.

Adult pumas are the only South American animals powerful enough to be a natural threat.

Nor has any other big American animal so strikingly and visibly been driven to the brink of extinction.

Only a few of the many distinctive South American animals are found in Chile.