Coggin Heeringa

Inchworms — caterpillars that appear to measure the ground as they move — are not worms at all.

Nature, "adorned in varied colors," extends its spectrum beyond what our human eyes can see.

Ornithologists agree that many birds sing at dusk — but they are not entirely convinced that joy is the reason.

While people are waving flags in parades and at rallies, blue flags are quietly raising their own banners in wetlands throughout the region.

Birds, mammals, insects and plants stay in sync with the world through rhythms of light.

"Creek Creatures" is this week's Summer at Crossroads series. This time of year, the creatures of the creek, wetlands and ponds are active over, under and on the water's surface, making them among our most popular attractions.

For birds and humans alike, the shortest nights of the year can lead to surprisingly complicated relationships.

As summer progresses, the magic of a shimmering pathway of moonlight across the lake will arrive a little earlier each evening.

Some familiar melodies are "played to death" until they have practically petrified into fossils.

When sunlight on the horizon passes through smoke, the reds and crimsons of a sunset become especially vivid.