When there’s only one species on an evolutionary branch, we call it a monospecific taxon. Studying these special species can help us better understand not just those sparse groups, but all life on this planet.

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Emily Graslie of the Brain Scoop is back again with some more skulls to stump Hank, and Jessi from Animal Wonders brings in Blueberry the blue-tongued skink.

The aardvark may be nature's hodgepodge, but all those striking features are there for a reason... and certainly come in handy.

What has the ears of a donkey, the claws of a bear, and the tongue of an anteater? Meet Zola the aardvark, and learn what all of those different features are for.

The aardvark may be nature's hodgepodge, but all those striking features are there for a reason... and certainly come in handy.

The aardvark may be nature's hodgepodge, but all those striking features are there for a reason... and certainly come in handy.

What has the ears of a donkey, the claws of a bear, and the tongue of an anteater? Meet Zola the aardvark, and learn what all of those different features are for.

This might seem too much like grammar class. Sorry! But the things in this video are quite important when learning Spanish. In this video lesson we're talking about nouns, definite articles and also we'll throw some classroom...