Salamanders, newts and mudpuppies are amphibians, and they are all salamanders, but not all salamanders are newts or mudpuppies.

In Wisconsin, opening fishing applies to certain species of fish such as walleye, trout, largemouth bass, and northern pike. However, this season opener does not apply to panfish, which are open year-round. Panfish include species such as bluegill, crappie, sunfish, and yellow perch.

There are many kinds of record keeping that scientists use to recapture recent and ancient history