This checkoff list could be used by a scribe to keep track of which Scouts have earned which merit badges or could be used by an individual Scout.
Mammal Study Merit Badge
A mammal may weigh as little as 1/12 ounce, as do some shrews, or as much as 150 tons, like the blue whale. It may spring, waddle, swim, or even fly. But if it has milk for its young, has hair of some kind, is relatively intelligent, and has warm blood, then it is a mammal.
Printable helps for requirements:
A reader asks about how old a Scout should be to work on a merit badge. The Guide to Advancement provides some answers.
A major concern in this country is vanishing wildlife and wildlife habitat. Some of this loss comes from a lack of knowledge about the creatures of nature.
The focus of the Environmental troop program feature for Scouts BSA is on the interdependence of living things.
The forestry program feature offers the opportunity to introduce natural resource management and conservation in a Scouts BSA Troop setting.