Amphibians and Reptiles
- Hognose Snake Feeding on Toad
- Hognose Snake: Mimicry in the Spreading Adder
- Venomous Snakes of Arkansas
- How a Frog Hibernates
- Green Eggs and Jam: Adaptations That Help Spotted Salamanders Reproduce
- Life on a Turtle Island
- Newts Have a Double Life and Protect Themselves with Toxic Skin
Arthropods
- Caterpillars That Build Big Nests: Tent Caterpillars and Webworms
- Odonates of Arkansas
- Cicadas: Fun for Children, Omens of War for Politicians
- The Praying Mantis and the Mantisfly: Very Different Insects That Converge on a Body Form
- Sticks That Move
- How a Spider Makes a Wheel-Shaped Web and Doesn't Get Stuck on It
- A Flying Scorpion Is Harmless
- The Multicolored Asian Lady Beetle: a Common Non-native Species
- The Harvestman, or Grand-daddy Longlegs, Is Not a Spider
- Spiders of Arkansas
- Some Lynx Spiders Hide in Goldenrods to Ambush Prey
- Parasitoids: Small Insects That Can Be Beneficial As Biological Controls of Pests
- A Black Light Makes Two Arkansas Invertebrates Glow in the Dark
- Moths and Butterflies
- Caterpillars of Arkansas
- Caterpillars Use a Variety of Deceptive Techniques to Hide from Predators
- The Monarch Is a Poisonous Butterfly
- Butterflies Use Color to Display and to Hide
- Digital Cameras, Moths, and Butterflies Use the Same Technique to Make an Image
- Collection and Identification of Moths
- Metamorphosis of a Luna Moth
Birds
Fishes
- Fishes of Arkansas
- Madtoms: Catfishes That Aren't Caught on Hook and Line
Mammals
- Adaptations of Bones in the Mammalian Foot
- Characteristics of Mammalian Hair
- Bats Found in Arkansas
- The Purpose of Spots on a Baby Deer
- Gophers and Moles: Two Mammals Differently Adapted for Life Underground
- The Biology and History of the Beaver are Tied to Its Fur and Its Dams
- Our Only Marsupial Is Well Adapted to Climb Trees
Miscellaneous
- Freshwater Algae: Desmids
- Freshwater Algae: Diatoms
- How Fire Is Used to Manage Forests
- Lichens: Mutualistic Organisms
- Medieval Witches Still Hide Their Brooms in Our Trees
- Plant Galls
- Salt Was One of the Earliest Commodities in Clark County
- The Blob of Old Movies Really Is a Slime Mold
- The Nature of Quartz
Plants
- Life as a Goldenrod
- The American Beautyberry: a Possible Mosquito Repellent
- Nature's Velcro™
- Duckweeds
- A Local Wild Orchid Has Winter Leaves and Summer Flowers
- What Makes the "Sensitive Briar" So Sensitive?
- Dodder: a Parasite of Other Plants
- Mistletoe
- Some Roses and Peas Have Now Become Trees
- Sundew: A Carnivorous Plant Native to Arkansas
- A Water Fern Also Can Serve as a Fertilizer
- The Nature of Leaves
- Separation of Plant Pigments by Paper Chromatography
- Non-Native Woody Plants of Arkansas
- Green Leaves Often Start and End as Red Leaves