Serving Gogebic, Iron and Ontonagon Counties
By CHARITY SMITH
MERCER, Wis. - Library patrons heard a "whale of a tale" on Thursday morning. Sean Sullivan, an experimental archeologist with Colossal Fossils in Wausau, explained how the porpoises had evolved.
Sullivan showed fossil replicas in his presentation and discussed prehistoric ancestors to whales he called an "apex predator," in that it fed on sharks and other fish. He said that scientists know that it ate live prey because it had armored eyebrows.
Sullivan said that modern day whales are divided up into two categories: predatory whales and whales. Baleen...