Mammal Study

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{{National Outdoor Badge|Conservation| an option}}
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{{STEM Nova award merit badge|[[Let It Grow!]], [[Dr. Luis W. Alvarez Supernova Award|Alvarez Supernova]], and [[Dr. Charles H. Townes Supernova Award|Townes Supernova]]|s}}<br />
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Revision as of 13:45, October 9, 2018

Resources include the Mammal Study merit badge worksheet in PDF format Adobe Acrobat PDF and Word format Microsoft Word DOC document, links, and cross-references to related badges and awards.
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Mammal Study merit badge requires prior counselor and/or parent approval for requirement(s) #5.
Mammal Study merit badge is an option for the National Outdoor Badge for Conservation.
The Mammal Study merit badge is an option for the Let It Grow!, Harris Bronze Supernova, and Edison Silver Supernova STEM Nova Awards.

Mammal Study merit badge
Status: Elective
Created: 1985
Replaced: Mammals
BSA Advancement ID: 071
Requirements revision: 2015
Latest pamphlet revision: 2014


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.

Mammal Study is one of the elective merit badges for the William T. Hornaday awards for Scouts BSA.

Mammal Study merit badge requirements

  1. Explain the meaning of "animal," "invertebrate," "vertebrate," and "mammal." Name three characteristic that distinguish mammals from all other animals.
  2. Explain how the animal kingdom is classified. Explain where mammals fit in the classification of animals. Classify three mammals from phylum through species.
  3. Do ONE of the following:
    a. Spend three hours in each of two different kinds of natural habitats or at different elevations. List the different mammal species and individual members that you identified by sight or sign. Tell why all mammals do not live in the same kind of habitat.
    b. Spend three hours on each of five days on at least a 25-acre area (about the size of 3 1/2 football fields). List the mammal species you identified by sight or sign.
    c. From study and reading, write a simple life history of one nongame mammal that lives in your area. Tell how this mammal lived before its habitat was affected in any way by man. Tell how it reproduces, what it eats, and its natural habitat. Describe its dependency upon plants, upon other animals (including man), and how they depend upon it. Tell how it is helpful or harmful to man.
  4. Do ONE of the following:
    a. Under the guidance of a nature center or natural history museum, make two study skins of rats or mice. Tell the uses of study skins and mounted specimens respectively.
    b. Take good pictures of two kinds of mammals in the wild. Record the date(s), time of day, weather conditions, approximate distance from the animal, habitat conditions, and any other factors you feel may have influenced the animal's activity and behavior.
    c. Write a life history of a native game mammal that lives in your area, covering the points outlined in requirement 3c. List sources for this information.
    d. Make and bait a tracking pit. Report what mammals and other animals came to the bait.
    e. Visit a natural history museum. Report on how specimens are prepared and cataloged. Explain the purposes of museums.
    f. Write a report of 500 words on a book about a mammal species.
    g. Trace two possible food chains of carnivorous mammals from the soil through four stages to the mammal.
  5. Working with your counselor, select and carry out one project that will influence the numbers of one or more mammals.

The official source for the information shown in this is:
Boy Scout Requirements, 2018 Edition (BSA Supply SKU #641568)

View the change list (history) of these requirements. The text of these requirements may be locked. In that case, they can only be edited
by an administrator.
Please note any errors found in the above requirements on this article's Talk Page.


Worksheet A FREE workbook for Mammal Study is available here! (PDF or Word) with the maps, charts, links, diagrams, and checklists you need! Or click here to print just the Mammal Study requirements. has PDF and Word versions of workbooks for Scouts BSA ranks and merit badges, Cub Scouting ranks and adventures, and STEM Nova awards.

  1. Mammal Study is a popular summer camp merit badge.

Requirement resources

Mammal definition and three characteristics
Examples: Dog - Cat - Fox
Examples: Deer - Rabbit - Wild Boar

Related awards

Ecology-related awards

See also

Scouts BSA portal
Venturing portal
Sea Scout portal
General Merit Badge information

External links

Personal tools