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Corvus brachyrhynchos

American Crow

North America, Europe, Australia

About the American Crow

One of the most intelligent and adaptable birds in North America. American Crows thrive in urban, suburban, and agricultural environments, forming large communal roosts in winter that can number in the hundreds of thousands. Their problem-solving ability and social learning make them highly resistant to conventional deterrents.

Why it's a pest

Tears open garbage bags and waste containers; plunders agricultural corn, grain and fruit crops; dense winter roosts cause severe noise and faecal contamination; predates on eggs and chicks of other species; vectors for West Nile Virus.

Global Distribution

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Native rangeInvasive pestNative + pest

Native range

North America (CanadaUnited Statesnorthern Mexico)

Established as invasive pest in

United StatesCanada

Breeding & lifecycle

Wild lifespan

7 – 8 years

Breeding maturity

24 – 36 months

Offspring / year

~2 fledglings

Breeding season

Spring (March – June)

Egg incubation

16 – 18 days

A group is called

A murder of crows

Stems from medieval folklore where crows were viewed as omens of death and were believed to put "guilty" members of their own flock on trial.

A congress of crows

A reference to their loud, raucous group behaviour — historically likened to the noise and apparent disorder of a legislative assembly.

A parliament of crows

Comes from their loud, alternating caws, which historically reminded people of politicians debating in a legislative chamber.

How the APC-N1 and APC-N4 manages American Crow

At approximately 480 mm, the american crow fits a T3 — Large tunnel (130 × 500 × 630 mm). The tunnel is the physical entry point — sized precisely to admit the target species while excluding larger non-target birds. Species-specific attractant bait draws the american crow into the detection zone inside the tunnel, where AI computer vision confirms species identity at 99.7% accuracy. Once confirmed, CO₂ is introduced gradually into the chamber; the bird becomes drowsy and loses consciousness without pain or distress. Euthanasia follows only after explicit authorisation from a licensed operator, and the specimen is stored in the integrated freezing chamber with a full compliance audit trail.

The T3 — Large tunnel is available on the APC-N1 and APC-N4both units carry this tunnel size as a standard configuration.

Learn about the APC-N4

American CrowCorvus brachyrhynchos

Physical dimensions

Avg weight450 g
Torso width70 mm
Standing height480 mm

Recommended tunnel

Tunnel size is set by the species' standing height — sized to admit the target bird while excluding larger non-target species.

T1
T2
T3
T4
T3 — Large40.95 L

Dimensions (W × H × L)

130 × 500 × 630 mm

Species height range

401–500 mm standing height

American Crow standing height

480 mm

Available on

Affected regions

North AmericaEuropeAustralia
Wikipedia: Corvus brachyrhynchos

Fleet size calculator

Estimate how many APC units you need to control a american crow population — accounting for growth rate, knockdown timeframe, and operational hours.

Open calculator

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