Anomaly Ledger

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Cadborosaurus (Caddy)

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Painted illustration: long serpentine creature with a horse-like head among waves off a rocky forested BC coast
AI rendition based on witness descriptions, not an actual photo.
The Naden Harbour "Cadborosaurus" carcass.
The Naden Harbour "Cadborosaurus" carcass · Boorman · Public domain (via Wikimedia Commons) · Image source
The Effingham Carcass, Vancouver Island, 1947. Supposed remains of 'Caddy'.
The Effingham Carcass, Vancouver Island, 1947. Supposed remains of 'Caddy' · Unknown author · Public domain (via Wikimedia Commons) · Image source

A sea serpent said to live off British Columbia's coast, named after Cadboro Bay.

Disputed Verdict: Unproven; the best carcass photo most likely shows a known animal.

Region
Oceans · Canada · Canada
First reports
Nicknamed 'Caddy' by journalist Archie Wills, after Cadboro Bay in Victoria

Key sightings

Best evidence

The 1937 Naden Harbour photos; many researchers think it was a fetal baleen whale.

Ledger cases

Sources