Identification guides

Quick answers to the questions people actually search for.

Smooth beach pebbles in different colors and patterns

May 3, 2026

What Is This Rock I Found on the Beach? A 30-Second Identification Guide

Most beach rocks fall into one of five families. Three quick tests narrow yours down before you even look up the species. Tables, diagnostics, and the rookie agate confusions to avoid.

Houseplant in soil with close-up of soil texture

May 3, 2026

What Are These Small White Worms in My Plant Soil? Three Species, One Decision Tree

95% of white worms in potting soil are one of three species. Quick visual diff, what they actually do to your plant, and what to do about each.

Close-up of a small dark insect on a surface

May 3, 2026

What Is This Tiny Black Bug in My House? Identify by Where You Saw It

Skip the bug-by-bug catalogs. Where you spotted it narrows the possibilities to 2 to 3 species. Decision table, the bedbug confirmation that matters, and how to handle the rest.

Close-up of a small brown insect on a pale surface

May 13, 2026

What Is This Tiny Brown Bug in My Bathroom? Five Species, One Common Cause

Brown bugs in the bathroom are almost always one of five species. The cause is the same for all of them: humidity. Identify and fix in one pass.

Close-up of granite rock with sparkling mineral grains

May 13, 2026

What Is This Shiny Rock With Sparkles? The Five Sparkle Sources

Sparkles in a rock come from one of five minerals. Color of the sparkle and how it flakes tells you which, and whether you have fool's gold or actual gold.

Dandelions in a green lawn

May 13, 2026

What Weed Is This in My Lawn? The Five Most Common, by Leaf Shape

Five weeds make up 80% of lawn complaints. Identify by leaf shape and growth habit, then match the right control. Treating the wrong category wastes the bottle.

White mushroom growing in grass

May 13, 2026

Is This Mushroom Poisonous? The Honest Answer Before You Pick Anything

Three deadly mushrooms imitate common edibles. Apps cannot keep you safe. What to actually check, when AI helps, and when only a human mycologist will do.

Antique silver coin resting on burlap fabric

May 13, 2026

Is This Coin Valuable? What Actually Determines Value (and What Doesn't)

Most coins aren't valuable. Four signals consistently are: silver content, key dates, mint errors, and grade. Five common myths that don't move the needle.

Rusty vintage hand tools on a wooden workbench

May 13, 2026

What Is This Old Tool I Found? Identifying Antique Hand Tools

Old tools in basements, barns, and attics. Five categories cover most finds. Brand markings, handle types, and form tell you what it is and roughly when it was made.

Assortment of seashells arranged on a flat surface

May 13, 2026

What Shell Is This from the Beach? Identify by Shape First, Then Pattern

Beach shells split into two camps at the first cut: univalve or bivalve. From there, shape and aperture narrow the species. Quick table and the protected species to leave behind.

Oil painting of a landscape on a wooden easel

May 13, 2026

How to Tell If a Painting Is Valuable: What Auctioneers Look For First

Most paintings are decorative, not collectible. Six features separate the two, and one of them is almost always missing on prints sold as originals.

Handmade ceramic pottery pieces drying in a workshop

May 13, 2026

What Is This Mark on the Bottom of Pottery? Reading Maker Stamps in 60 Seconds

Pottery marks date and place a piece quickly. Country format alone narrows the era. Five mark systems cover most of what you'll find in a house.

Close-up of a corroded, rusted metal surface with textured patterns

May 13, 2026

What Is This Rusty Metal Object in My Yard? A Field Guide to Yard Finds

Rusty things in the soil are almost always one of seven categories. Magnet test, shape, and burial depth narrow it. The history of the property usually fills in the rest.

A small insect on a light kitchen countertop near pantry jars

Jul 2, 2026

What Are These Tiny Bugs in My Kitchen? Sort Them by Zone

Kitchen bugs split into three zones: pantry, drain, and counter. Where you see them names the species and the fix. Tables, plus the one that means throw the box out.

Tiny flying insects near a sunlit window and a bowl of fruit

Jul 2, 2026

What Are These Tiny Flying Bugs in My House? Identify by Where They Swarm

Tiny flying bugs indoors are almost always one of six: fruit flies, fungus gnats, drain flies, phorid flies, or winged ants and termites. Where they gather names them.

Tiny dark aphids clustered on the stem and leaf of a plant

Jul 2, 2026

What Are These Tiny Black Bugs on My Plants? Aphids, Thrips, and the Rest

Tiny black bugs on plants are aphids, thrips, spider mites, whitefly, or fungus gnats. Where they sit and how they move tells you which, and each needs a different fix.

White cottony mealybug fuzz in the leaf joints of a houseplant

Jul 2, 2026

What Is This White Fuzzy Stuff on My Plant? Mealybugs vs Mildew vs Mold

White fuzz on a plant is one of four things: mealybugs, powdery mildew, woolly aphids, or harmless soil mold. Two are pests, two are fungal. Tell them apart before you treat.

A hand holding a rough mineral up to the light over a table of stones

Jul 2, 2026

Is This Rock Worth Anything? A Realistic Value Check

Most found rocks are worth nothing, but a few are worth real money. Five features separate them, and three quick tests tell you before you drive to a dealer.

A dark pitted rock beside a magnet on a neutral background

Jul 2, 2026

How to Tell If a Rock Is a Meteorite: The Field Test Checklist

Nearly every suspected meteorite is a 'meteorwrong.' Five simple tests rule out the common impostors (slag, magnetite, hematite) before you pay for lab analysis.

A brown recluse spider on concrete, with a plain tan body and long thin legs without bands

Nov 6, 2026

Brown Recluse vs Wolf Spider: Count the Eyes

Wolf spiders are big, hairy and banded. Recluses are small, plain and six-eyed. A side-by-side table, the eye check, and the range test that settles most cases.

A common raven calling from a rock ledge at sunset, its shaggy throat feathers and heavy beak visible

Oct 12, 2026

Crow vs Raven: How to Tell Them Apart

Ravens are bigger, wedge-tailed, croak instead of caw and soar like hawks. The field marks that tell a crow from a raven, from a quarter mile to up close.

A European hornet with a reddish brown thorax and yellow banded abdomen on a branch

Oct 14, 2026

Hornet vs Wasp: What Is the Difference?

Every hornet is a wasp, but not every wasp is a hornet. The species Americans actually meet, how to tell them apart by body and nest, and which ones to worry about.

A coyote standing among snowy tree trunks, showing its narrow pointed muzzle and tall ears

Oct 19, 2026

Coyote vs Wolf: Size, Snout, Ears and Tracks

A wolf is twice a coyote's weight with a blocky muzzle, short rounded ears and 4 to 5 inch tracks. How to tell them apart, and where in the US wolves actually live.

A red-tailed hawk perched on a bare branch against a pale sky

Oct 30, 2026

Hawk vs Eagle: How to Tell Which One You Saw

Eagles have flat plank-like wings, huge heads and a 6 to 7 foot wingspan. Most big birds people call eagles are red-tailed hawks or turkey vultures. Here is how to tell.

Dark mold growing along the grout and corner of a tiled bathroom wall

Oct 23, 2026

Mold vs Mildew: How to Tell and What to Do

Mildew is flat, powdery and gray or white and wipes off. Mold is fuzzy or slimy, often green or black, and grows into the material. Surface-by-surface guide and the bleach test.

A polyphemus moth with large tan wings and eyespots resting in green grass

Oct 28, 2026

Moth vs Butterfly: How to Tell Them Apart

Clubbed antennae: butterfly. Feathery or threadlike: moth. Then wings at rest, body, time of day and cocoon versus chrysalis, plus the day-flying moths that break the rules.

An eastern chipmunk sitting on a log, showing the stripes on its face and back

Oct 26, 2026

Chipmunk vs Squirrel: Check for Face Stripes

Stripes on the face as well as the back: chipmunk. No face stripes: squirrel, even a striped ground squirrel. Size, tail, behavior, burrows, and the look-alikes that fool people.

A Virginia opossum with a white face, pink nose and gray fur walking through dry grass

Oct 9, 2026

Possum vs Opossum: Same Animal or Not?

In North America, possum and opossum mean the same animal: the Virginia opossum. True possums live in Australia. How to tell an opossum from a rat or raccoon, and the tick myth.

A large brown rat beside a small gray house mouse on a wooden floor, showing the size difference

Oct 16, 2026

Rat vs Mouse: Size, Droppings and Signs

A rat is about ten times a mouse's weight, with a blunt nose, small ears and thick tail. Droppings, entry holes and behavior separate them too, and the traps differ.

A black vulture with a gray wrinkled head perched on a rock

Nov 2, 2026

Buzzard vs Vulture: Which Bird Do You Mean?

In America a buzzard is a vulture; in Britain it is a hawk. How to tell turkey vultures from black vultures overhead, and from the hawks and eagles they get mistaken for.

A house mouse with large ears and a long thin tail next to a trap

Oct 21, 2026

Vole vs Mouse: How to Tell Them Apart

Voles are stocky with tiny ears, a blunt face and a short tail, and stay outdoors. Mice are slender with big ears, pointed noses and long tails, and come inside. Signs and fixes.

An eastern coral snake with red, yellow and black bands coiled on gravel

Nov 4, 2026

Coral Snake vs King Snake: Read the Bands

Red touching yellow and a black snout mean coral snake; red touching black and a red snout mean a harmless kingsnake or milk snake. Where the rhyme works, where it fails, and what to do.