See also: Birds, Dinosaurs, Fish, Insects, Migration, Pets
- The Big Issue (Kazoo, Issue 21)
- Celebrate Spring (Faces, Volume 38, Issue 7)
- Color Me Curious (Muse, Volume 25, Issue 9)
- The Confidence Issue (Kazoo, Issue 15)
- Delicious! (Muse, Volume 26, Issue 3)
- The Dirt on Dirt (Click, Volume 25, Issue 4)
- The Edge of Extinction (Muse, Volume 26, Issue 7)
- Exotic Animal Encounters (Fun for Kidz, Volume 21, Issue 2)
- Explore Sweden (Faces, Volume 39, Issue 1)
- Exploring Our Oceans (Faces, Volume 38, Issue 6)
- Farm Fun (Fun for Kidz, Volume 22, Issue 4)
- Frogs and Toads (Fun for Kids, Volume 15, Issue 6)
- Fun on the Farm (Click, Volume 26, Issue 6)
- Go Fish! (Faces, Volume 38, Issue 2)
- Great Cities of the World : Athens (Faces, Volume 38, Issue 3)
- Great Cities of the World : Cairo (Faces, Volume 38, Issue 4)
- The Happy Issue (Kazoo, Issue 11)
- Island Living (Faces, Volume 38, Issue 5)
- The Light Issue (Kazoo, Issue 7)
- The Long and Short Life of Chile (Faces, Volume 39, Issue 3)
- Look At Me Move (Click, Volume 27, Issue 1)
- Look Out! How Animals Stay Safe (Click, Volume 25, Issue 1)
- Lost & Found (Muse, Volume 26, Issue 4)
- The Motion Issue (Kazoo, Issue 28)
- Mysterious (Fun for Kidz, Volume 23, Issue 1)
- The Mystery Issue (Kazoo, Issue 19)
- Nature Up Close (Click, Volume 25, Issue 6)
- No Place Like Home (Click, Volume 26, Issue 1)
- North American Beaver Fur Trade (Cobblestone, Volume 43, Issue 7)
- The Ocean Issue (Kazoo, Issue 25)
- Our National Symbols (Cobblestone, Volume 43, Issue 6)
- Pet Fun (Fun for Kidz, Volume 23, Issue 2)
- Rockin' Through the Rocky Mountains (Faces, Volume 39, Issue 7)
- Sea Creatures (Fun for Kidz, Volume 21, Issue 4)
- Shapes (Faces, Volume 39, Issue 9)
- Show Me How (Muse, Volume 26, Issue 9)
- Spellbinding Islands (Muse, Volume 26, Issue 6)
- Spots & Dots (Fun for Kidz, Volume 22, Issue 6)
- Super Powers (Muse, Volume 25, Issue 1)
- Taste's Good (Click, Volume 25, Issue 7)
- Teeth, Toes, & Tails (Fun for Kidz, Volume 22, Issue 1)
- Up In the Mountains (Click, Volume 26, issue 2)
- Welcome to the Islands (Click, Volume 25, Issue 2)
- Whales, Dolphins, and Porpoises! (Muse, Volume 26, Issue 2)
- What's In A Name (Fun For Kidz, Volume 22, Issue 5)
- Wild About Alaska (Faces, Volume 38, Issue 1)
- The Wild Issue (Kazoo, Issue 22)