Most people know that the bottom of a northern lake or large pond is a mucky, muddy mess of weeds, decayed leaves, some rocks, and a few crayfish to avoid stepping on while wading. This area…
The Outside Story
Creating Caches: Winter Preparation
On a recent walk in the Maine woods, I heard a red-breasted nuthatch calling softly to itself. It was 6 feet above me in a large white pine, climbing down the tree headfirst. Looking through…
Nematode Nemesis: The Hidden World of Carnivorous Fungi
In darkness, a wormlike creature squirms. A tiny nematode weaves its way between grains of rock and particles of organic matter, through inverted forests of tree roots. It follows what it…
Not So Bird-Brained: Avian Tool Use
On an otherwise unremarkable day in 2023, Jason Love and his colleagues were gathering in a parking lot when they saw something that, as far as we know, no one had ever seen before. Love, the…
Black Locust: An Invasive with Roots?
The coming of autumn often makes trees harder to identify – but sometimes, it does the opposite. The black locust (Robinia pseudoacacia) is a case in point. In summer, its bluish-green,…
In the Footsteps of a Chipmunk
As autumn nears, I find myself returning to botanist Robin Wall Kimmerer’s line in Gathering Moss where she describes ecological succession as “a tale of the interwoven fates of…
Sumac Galls: An Ancient Association
The staghorn sumac (Rhus typhina) is a ubiquitous shrub of human-impacted northeastern habitats. Sumac stands occur along most highways and county roads, as well as in disturbed areas and…
Finding the Pink Star Caterpillar
When I imagine scientists discovering new animals, I picture them traveling to far-off jungles or remote mountaintops – not investigating local roadsides, utility cuts, or other edge…
Exploring Shrub Swamps
A yellowthroat warbler sang, “witchety, witchety, witch,” as I carefully made my way through the tangle of an alder swamp one afternoon not long ago. I looked about, hoping to…
Turtlehead Tests Bumblebees’ Mettle
Among the blooming perennials of late summer is one that guards its secrets closely. The lockbox blossoms of white turtlehead (Chelone glabra), a native plant in the plantain family, are an…
The Hidden History of Cyanobacteria
Perhaps you saw the flyers at your town office or a warning sign posted at your favorite swimming hole. The smell might have driven you home, but maybe you crept closer – unable to see…
Syrphid Flies Puzzle and Pollinate
Survey the insects orbiting a globe of milkweed blossoms or the delicate blooms of a chokeberry, and you might spy an apparent chimera. It looks a bit like a bee, perhaps a tad like a wasp,…
On the Edge, But Not on the Brink: Northeastern Bulrush
Twenty years ago, at this time of year, I found myself walking the margin of a marsh in east-central Vermont with Bob Popp, Vermont’s state botanist at that time. We had traveled to that…
Finding a Baltimore Checkerspot
A few summers ago, I was walking my dog in a pasture near my house when a butterfly landed on my bare leg. It was a medium-sized black butterfly with orange crescents along the margins of its…
What Makes Blueberries Blue?
Every summer I go blueberry picking and I notice the many colors of blueberries, from the luminous indigo of unpicked berries on a bush, which turn nearly black after handling, to the deep…
The Real Story of the Viceroy and the Monarch
On a warm summer morning, you’re sitting in your yard enjoying a slow moment, when a flash of color catches your eye. Bright orange and black wings dance through the air before alighting…
Treetop Gem: The Brilliant Blackburnian Warbler
One recent morning, trying to find the source of a warbler trill high in a white pine tree, I was rewarded with a brilliant flash of orange. It was my first sighting of a Blackburnian warbler,…
Fish Mouths: How Anatomy Suggests Ecology
The river roars in the heat of the summer. The water is clear and cool, and a respite from the high sun. An angler leans back, fly-fishing rod in hand, and casts it forward. The fly drops and…
Life in a Shell: Eastern Box Turtle
As a budding naturalist growing up in the concrete-heavy environs of Boston, I would regularly thumb through my family’s collection of nature books and daydream about the creatures…
The Dapper Sparrow of the Underbrush: Eastern Towhee
From forest edges and thickets on late spring mornings in the Northeast comes what sounds like an exhortation from across the pond: drink-your-tea! This is not a British parent’s plea,…