Parents teach their offspring a number of skills for survival, including hiding from predators.

Owls tend to only interact together in a coupling and are territorial in order to protect their hunting grounds and their young.

The Loess Hills of western Iowa are a unique landform, the formation of which has resulted in characteristic "steps" in the hills.

Distinct differences in road surfaces across Iowa are connected to geologic processes over time and location.

Macroinvertebrates can help limnologists assess water quality when looking at the biodiversity of a stream

Data shows the changes in dissolved oxygen levels from various test locations over the summer months.

Reed canary grass grows natively in Europe and Asia, but it is taking over in some Iowa locations.

Indian Creek Nature Center land management planning includes surveying butterfly populations, and data shows how the 2020 derecho is impacting those survey results.

Eden Valley Refuge features exposed limestone outcrops. Limestone is a sedimentary rock and is formed by an accumulation of skeletal fragments of marine organisms.

Rusty patched bumble bees were listed as endangered in 2017. This is just one species of bumble bee that has been on the decline.

Areas along the shores of the Mississippi River are experiencing a complete loss of trees which causes a decline in ecosystem biodiversity.

Avian influenza is a virus that affects bird populations, both domestic and wild. Like all viruses, avian influenza changes over time due to mutations that affect proteins.

Using goats to control invasive trees, shrubs and other plants is a unique solution for maintaining remnant prairie.

This time-lapse video captures two monarch caterpillars feeding on a milkweed leaf, and illustrates the caterpillars' role in the ecosystem as they consume plant matter.

Dry run creeks are a strategically placed design solution for flood mitigation.

Fog is visible at the bottom of a hill on a summer evening.

The Eastern Iowa tornado of March 2023 demolished a century farm. The rebuilding process included balancing several constraints.

Retention ponds are artificial structures designed to retain and treat contaminated stormwater runoff.