Andrew Jackson: The 7th President
3.7
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Angora Rabbit
2.2
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Animal Colors: What They Mean
2.1
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Apple
2.3
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Aye-Aye
2.4
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Banana
2.4
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Barn Owl
2.5
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Barn Swallows
1.8
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Beluga Whale
2.4
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Blizzard
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Butterfly
3.0
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Cactus
2.6
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Carrot
2.4
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Chicken
2.8
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City Colors: Taxis to Skyscrapers
1.7
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Coconut
2.5
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Coconut Crab
2.8
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Colossal and Concrete: What Am I?
1.1
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Dik-Dik
2.8
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Dinosaur Warriors
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Dinosaurs Hatched!
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Dog
2.9
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Dragonfly
3.1
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Dwight D. Eisenhower
3.6
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Earth: No Place Like Home
2.0
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Earthquake
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Extreme Dinosaur Hunt
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Farm Colors: From Purple Plums to Pink Pigs
1.9
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Flood
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Flying Lizards Big as Planes
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Food Colors: From Blueberries to Beets
1.8
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Fossil Hunters at Work
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Fossils: What Dinosaurs Left Behind
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Franklin D. Roosevelt: The 32nd President
3.6
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Frog
2.7
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Gecko
2.3
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George Washington: The 1st President
3.8
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Grand and Busy: What Am I?
1.1
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Green and Spiky: What Am I?
1.2
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Grover Cleveland
4.1
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Harry S. Truman
3.7
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Hedgehog
2.6
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Highland Cattle
2.6
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Historic and Lively: What Am I?
1.1
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Holiday Colors: Our Favorite Days
2.0
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Horned Lizard
3.0
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Hurricane
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Icy Comets: Sometimes Have Tails
2.1
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Incredible Dinosaur Facts
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James K. Polk
4.2
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James Monroe
4.4
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John Adams: The 2nd President
3.8
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John Quincy Adams
4.0
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Last Days of the Dinosaurs
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Little Brown Bats
2.0
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Long and Orange: What Am I?
0.8
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Luna Moth
3.0
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Lyndon B. Johnson
3.9
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Mars: Red Rocks and Dust
1.9
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Matamata
2.6
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Monarch Butterflies
2.1
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My Body Is Striped and Leafy (Leafy Sea Dragon)
0.9
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My Body is Tough and Gray (Armadillo)
0.8
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My Claws Are Huge and Black (Emperor Scorpion)
0.9
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My Claws Are Large and Curved (Komodo Dragon)
0.8
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My Ears Are Huge and Fuzzy (Fennec Fox)
0.7
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My Fangs Are White and Sharp (Vampire Bat)
0.8
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My Feet Are Webbed and Orange (Puffin)
0.9
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My Fur Is Thick and Spotted (Snow Leopard)
0.7
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My Legs Are Long and Strong (Ostrich)
0.8
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My Mane Is Short and Spiky (Hyena)
0.7
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My Nose Is Long and Fuzzy (Anteater)
0.9
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My Skin Is Bumpy and Slimy (Fire Salamander)
0.7
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My Skin Is Gray and Wrinkly (Walrus)
0.8
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My Tail Is Long and Striped (Lemur)
0.8
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My Teeth Are Sharp and Pointy (Sawfish)
0.8
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My Tongue is Long and Curves (Okapi)
0.8
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My Whiskers Are Long and White (Red Panda)
0.7
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Neptune: Far, Far Away
1.9
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Oak Tree
2.3
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Orange
2.4
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Orchid Mantis
2.8
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Our Moon: Brightest Object in the Night Sky
1.9
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Pangolin
2.8
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Pine Tree
2.6
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Platypus
2.9
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Police Dogs
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Polish Chicken
2.6
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Puffer Fish
2.4
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Pumpkin
2.2
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Rain Forest Colors: Bright and Beautiful
2.1
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Rockhopper Penguin
2.5
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Ronald Reagan
3.5
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Saturn: Amazing Rings
1.9
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Search-and-Rescue Dogs
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Service Dogs
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Shiny and Soaring: What Am I?
1.0
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Snub-Nosed Monkey
2.6
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Strawberry
2.6
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Sunflower
2.3
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Tall and Sleek: What Am I?
0.9
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The Biggest Dinosaurs
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The Seasons' Colors: How They Change
1.8
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Theodore Roosevelt: The 26th President
3.8
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Therapy Dogs
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Thirteen-Lined Ground Squirrels
1.7
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Thomas Jefferson: The 3rd President
3.6
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Timber Rattlesnakes
1.7
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Tornado
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Tsunami
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Turtle
2.8
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Uranus: Cold and Blue
1.8
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Velvet Ant
2.8
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Venus: Super Hot
2.1
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When Birds Had Teeth
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White and Majestic: What Am I?
0.8
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William McKinley
3.8
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Wood Frogs
1.7
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Woodrow Wilson
3.5
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