River Talk
Fall spiders

As fall rolls around, October is typically the last month to see insects in great quantity before cold weather arrives. Many insects are easier to find; they have reached their full size and some …

Autumn’s artful arrival

My favorite time of year is here—those fleet days when the Upper Delaware River region is ablaze with flaming foliage as summer fades, before the lush local landscape is stripped of its …

Autumnal equinox sightings

On September 22 at 8:05 p.m., the sun’s declination became zero degrees at the moment it crossed from the northern to the southern hemisphere. The summer season officially ended, and we are now …

Pollination in the wild

It’s near the end of June, and some spring field trips have sent me far and wide across the landscape of eastern PA. There are a fair number of return visits to given places over the course of …

Know your neighbors

A bright yellow disc emerged as if by magic in my woodland yard following recent rains. Its luminous glow against the dark forest terrain caught my eye and encouraged closer inspection of this new …