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The Brain Scoop: Collecting Voucher Species

5 minutes 45 seconds

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What is the scientific purpose of collecting voucher species? In this episode, host Emily Graslie discusses how these specimens will inform future generations about changes in species over time. Part of "The Brain Scoop" series.

Media Details

Runtime: 5 minutes 45 seconds

Topic: Science
Subtopic: Conservation, Science Experiments, Science Methods
Grade/Interest Level: 10 - 12
Standards:

Release Year: 2014
Producer/Distributor: The Field Museum
Series: The Brain Scoop
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The Brain Scoop Web Page

Black and white photos of a Native American woman and man wearing medals around their necks. Caption. Like currency used to purchase loyalty.

Person holding a small insect. Inset of a picture of the insect. Caption: Necrophila Americana

Person holding a grasshopper. Melanoplus Differentialis. Caption: And this is a differential grasshopper,

Dried red-leafed plant with a cluster of long, pointed leaves. Caption: Poinsettias are another delightful botanical accent

Brown fuzzy mammal sitting in a tree. Caption: An olingo is a member of the raccoon family.

Closeup of an animal with a pointed snout, large claws, and overlapping scales covering its body. Caption: They are covered in keratin scales,

People holding very small skeletons. Caption: Like you and I, there are five lumbar vertebrae,

Person holding a skeleton approximately the length of her thumb. Caption: …each of the limbs, and the scapula.

Person holding a taxidermized flying squirrel with legs extended. Caption: As you know, flying squirrels don't fly, they glide.

Platypus with a duck-like snout, webbed feet, and a furry body. Caption: They're the craziest things I've seen in my life.