Mammals comparison

Coyote vs Fox: Key Differences Explained

The short answer

A coyote is roughly two to three times the mass of a red fox, longer-legged, with round pupils and a tail that is bushy but proportionally shorter. A fox is slighter, with vertical slit pupils, larger triangular ears relative to the head, and a tail often half its body length. Coyotes suppress fox numbers where they overlap, which shapes where each is found in cities.

The main difference

A coyote is a substantially larger, longer-legged canid with round pupils; a fox is smaller and slighter with vertical pupils and a proportionally longer tail.

Both are mid-sized wild canids now common in North American suburbs, and they are routinely confused on trail cameras and doorbell footage where scale is impossible to judge.

At a glance

Comparison of Coyote and Fox across 6 dimensions, with an interpretation of each difference.
What differs	Coyote	Fox	What it means
Typical adult mass	Roughly 8–20 kg, heavier in north-eastern populations	Roughly 3–9 kg in the red fox	The gap is clear when both are present and useless when only one is in frame.
Pupil shape	Round	Vertical slits	Decisive at close range or in a clear photograph, and independent of apparent size.
Tail proportion	Bushy but proportionally shorter, carried low	Very long and bushy, often around half the body length, frequently white-tipped	Tail-to-body ratio is scale-independent, which makes it valuable in photographs.
Leg length	Long, giving a tall lean outline	Short relative to the body, giving a low slinking outline	Stance and outline separate the two even in poor-quality footage.
Voice	Yipping, yapping and broken group howls	A harsh single scream or bark, often repeated	The fox scream is frequently mistaken for a person and is a strong identifier at night.
How they interact	Dominant — kills foxes and suppresses their numbers where common	Avoids coyotes, shifting into areas of higher human activity	Foxes often live closer to people precisely because coyotes are less tolerant of it.

Typical adult mass: CoyoteRoughly 8–20 kg, heavier in north-eastern populations
FoxRoughly 3–9 kg in the red fox
The gap is clear when both are present and useless when only one is in frame.
Pupil shape: CoyoteRound
FoxVertical slits
Decisive at close range or in a clear photograph, and independent of apparent size.
Tail proportion: CoyoteBushy but proportionally shorter, carried low
FoxVery long and bushy, often around half the body length, frequently white-tipped
Tail-to-body ratio is scale-independent, which makes it valuable in photographs.
Leg length: CoyoteLong, giving a tall lean outline
FoxShort relative to the body, giving a low slinking outline
Stance and outline separate the two even in poor-quality footage.
Voice: CoyoteYipping, yapping and broken group howls
FoxA harsh single scream or bark, often repeated
The fox scream is frequently mistaken for a person and is a strong identifier at night.
How they interact: CoyoteDominant — kills foxes and suppresses their numbers where common
FoxAvoids coyotes, shifting into areas of higher human activity
Foxes often live closer to people precisely because coyotes are less tolerant of it.

How they are related

Both are canids but in different genera — the coyote in Canis with wolves and jackals, the red fox in Vulpes. They cannot interbreed. The confusion is one of size and colour rather than kinship: both are reddish-grey mid-sized canids, and both have adapted successfully to human landscapes.

Telling them apart

Use proportions rather than size. A fox looks low-slung with short legs, a very long bushy tail often tipped white, and large triangular ears. A coyote looks tall and lean with long legs, a proportionally shorter tail carried low, and a narrower chest than a wolf. Vertical pupils confirm a fox where the eye is visible.

Tall, long-legged, lean, with a shorter low-carried tail and round pupils: coyote. Low, short-legged, with a very long white-tipped bushy tail, big ears and vertical pupils: fox. At night, a group of yipping voices means coyotes, while a single harsh repeated scream means a fox.

Habitat and distribution

Both occupy farmland, woodland, grassland and suburban areas across much of North America, with the red fox additionally native across Eurasia. Their fine-scale distribution within a city is often shaped by each other: foxes tend to concentrate where coyote activity is lower, frequently closer to dense human settlement.

Diet and ecological role

Both are generalist omnivores taking rodents, rabbits, birds, insects, fruit and refuse. Coyotes additionally take deer fawns and scavenge larger carcasses, and groups occasionally take larger prey. Foxes cache surplus food in shallow scrapes and rely more heavily on small rodents located by sound.

Behaviour

Coyotes adjust social structure to conditions, forming family groups where food is concentrated and living alone or in pairs where it is dispersed, and they communicate with group yipping choruses. Foxes are largely solitary, hunting alone with the characteristic high pounce. Both are chiefly nocturnal and crepuscular near people, and both are territorial.

Senses and adaptations

Both rely heavily on hearing to locate rodents, and both have acute scent detection used in territorial marking and foraging. The fox's vertical pupils and low-frequency hearing sensitivity support its pounce onto prey it cannot see. Coyotes rely more on endurance and, in groups, on coordinated movement.

More on this topic: Animal senses and adaptations.

People and these animals

Both have expanded into urban areas across their ranges and both attract conflict, usually over pets, refuse and perceived risk. Deliberate or accidental feeding is the main driver of bold behaviour in both. Both are managed by state, provincial or national wildlife agencies, and rules on handling conflicts differ sharply by jurisdiction.

What they have in common

Both are mid-sized canids with reddish-grey coats and pointed muzzles.
Both are generalist omnivores that thrive in farmland and suburban landscapes.
Both are chiefly nocturnal and crepuscular where they live near people.
Both are territorial and communicate vocally over distance.

Key differences

Coyotes are roughly two to three times the mass of red foxes.
Foxes have vertical slit pupils; coyotes have round ones.
A fox's tail is proportionally much longer and often white-tipped.
Coyotes are long-legged and tall, while foxes are short-legged and low-slung.
Coyotes kill foxes and suppress their numbers where the two overlap.

Where people go wrong

Judging which animal it is from apparent size in footage with no scale reference.
Assuming a screaming sound at night must be a person or a cat.
Expecting coyotes and foxes to occupy the same parts of a city, when they largely avoid each other.

Frequently asked questions

How do I tell a coyote from a fox on a security camera?

Ignore apparent size, which cameras report unreliably, and look at proportions. A fox has short legs, a low slinking outline and a tail often half its body length, frequently with a white tip. A coyote has long legs, a taller leaner outline and a proportionally shorter tail carried low. If the eyes reflect clearly, vertical pupils indicate a fox.

Do coyotes kill foxes?

Yes. Coyotes are dominant over foxes where the two overlap and will kill them, which measurably suppresses fox numbers and changes where foxes live. One documented consequence is that foxes often shift toward areas of higher human activity, where coyotes are less comfortable. This is why fox and coyote densities within a single city can be almost inverse to each other.

What is the screaming sound at night?

A single harsh repeated scream is most likely a fox, and it is frequently mistaken for a person in distress. It is used in territorial communication and during the winter breeding season. Coyotes produce a very different sound: yipping, yapping and broken group howls involving several animals at once, which can make a small group sound much larger than it is.

Are either dangerous to people or pets?

Attacks on people are rare for both, and the reliable general advice is to keep distance, never feed wildlife, and secure refuse. Small pets can be at risk from coyotes in particular. Beyond that, responses depend heavily on local conditions and law, so specific guidance should come from your municipal animal control service or state, provincial or national wildlife agency rather than from a comparison page.

Read the full profiles

Sources and methodology

How this comparison is built: FaunaHub comparisons are assembled from the sourced animal profiles behind them rather than written as standalone claims. Figures such as size, mass, and lifespan are typical ranges that vary by subspecies, population, region, sex, age, and — where relevant — whether an animal lives in the wild or under human care, so they are presented as ranges rather than fixed values. Where a common name covers a group rather than a single species, the page says so instead of implying a species-to-species match. Conservation status changes over time and should be confirmed against the current IUCN Red List. Dimensions that could not be supported from the underlying profiles are omitted rather than filled in.

What this page does not do: it does not rank the two animals, predict the outcome of a confrontation, or present either one as stronger, smarter, or better. It is not veterinary, medical, first-aid, handling, capture, hunting, or pest-control guidance. For an animal in your care, or any situation involving injury, contact a qualified veterinarian, your local wildlife authority, or emergency services.

Sources and further reading

Authoritative references used for general educational context. External links open in a new tab. These sources do not endorse FaunaHub.

UniversityAnimal Diversity Web — Canis latrans (coyote) — University of Michigan species account
ReferenceBritannica — Coyote — Editor-reviewed encyclopedia entry
Wildlife referenceIUCN Red List of Threatened Species — Authoritative source for current conservation status
UniversityAnimal Diversity Web — University of Michigan Museum of Zoology — Peer-edited reference accounts for animal species
Wildlife referenceSmithsonian's National Zoo & Conservation Biology Institute — Animals — Educational species pages from the Smithsonian Institution

Last updated: 2026-08-04