The Hollow Journal

Luna Moth Symbolism: Meaning and the Biology Behind It
Modern luna moth symbolism grows mostly from biology: complete metamorphosis, a moon name, an adult week without feeding, and tails that divert bat attacks. Older sources support a broader Greek... Read more...
Dove vs Pigeon: Why There Is No Scientific Difference
Dove and pigeon are not separate scientific categories. Learn why the names overlap, how everyday usage differs, and why wedding doves are usually pigeons. Read more...
Possum vs. Opossum: One Missing O, Two Different Animals
In North America, possum often means the Virginia opossum. In Australia, possums are different marsupials. One missing O is carrying an unreasonable amount of taxonomy. Read more...
Frog vs Toad: Why Every Toad Is a Frog
Toads are frogs, taxonomically speaking. Here is what actually separates them in the field: skin, legs, teeth, eggs, and why a toad cannot give you warts. Read more...
Can Opossums Get Rabies? What the Low Risk Actually Means
Opossums can contract rabies, but confirmed cases are rare. Learn what behavior does and does not mean, what counts as exposure, and what to do after a bite. Read more...
What Do Opossums Eat? The Truth About the Tick Myth
What opossums eat in the wild, in winter, and around houses; what baby opossums need; and why the viral 5,000 ticks a season claim does not hold up. Read more...
Do Jumping Spiders Bite? A Calm Field Note
Jumping spiders can bite, but they are shy visual hunters that usually retreat from people. Documented bites are uncommon and generally cause short-lived local symptoms. The spider would prefer to... Read more...
Opossum Playing Dead: Why It Isn't Actually Faking
Why opossums playing dead isn't a performance, what thanatosis really is, and where the phrase playing possum came from. Read more...
Moth vs Butterfly: The Full Field Marks
Moth vs butterfly, worked through properly: antennae, wing position, wing coupling, cocoons and chrysalides, caterpillars, and the exceptions behind each field mark. Read more...
Do Opossums Hibernate? What the Winter Record Shows
Virginia opossums do not hibernate. They shelter during severe weather, reduce their activity, and emerge when conditions allow. The arrangement is less a winter sleep than a series of strongly... Read more...
Do Not Perceive Me: A Field Guide to Creatures That Would Rather You Didn't
What "do not perceive me" actually means, where the phrase came from, and why its official mascot is always an opossum. Read more...
Raven vs Crow: How to Tell Them Apart
Size, tail, voice, flight: the four honest differences between ravens and crows, plus the folklore each bird carries. Read more...
Why Are Moths Attracted to Light? What Flight Data Shows
At short range, moths and other insects orbit lamps instead of steering straight at them. The dorsal light response, the limits of the moon theory, and the best-supported lighting fixes. Read more...