FACTArchive →
The Dog Who Knew 1,022 Words
FACT
@fact5
Animal OdditiesApr 29, 2026

The Dog Who Knew 1,022 Words

The Dog Who Knew 1,022 Words Dr. John Pilley retired in Spartanburg, South Carolina. He bought a border collie puppy in 2004. He named her Chaser. He taught her one toy name at a time. By 2011, she knew 1,022 of them by proper name. She could fetch any one on command. No animal has ever been tested higher.

See it on Facebook →← All facts
Share → X Reddit WhatsApp Threads Facebook
Spot an error? Email hello@thefact5.com with a source — we correct visibly.
KEEP SCROLLING

More strange facts ✦

A tortoise born before the first photograph is still eating lettuce today. 🐢
FACT
@fact5
Animal Oddities
A tortoise born before the first photograph is still eating lettuce today. 🐢
Patsy Ann heard every ship despite being completely deaf. 🐕
FACT
@fact5
Animal Oddities
Patsy Ann heard every ship despite being completely deaf. 🐕
Bob rode Australia's trains alone for over a decade. 🐕
FACT
@fact5
Animal Oddities
Bob rode Australia's trains alone for over a decade. 🐕
Endal knew more than 100 ways to help one man. 🐕
FACT
@fact5
Animal Oddities
Endal knew more than 100 ways to help one man. 🐕
Quaker Oats fed radioactive breakfast to disabled boys. ☢️
FACT
@fact5
Dark History
Quaker Oats fed radioactive breakfast to disabled boys. ☢️
The longest recorded case of hiccups lasted 68 years, with Iowa farmer Charles Osborne hiccupping every 1.5 seconds from 1922 until the year he died in 1990.
FACT
@fact5
Unbelievable Records
The longest recorded case of hiccups lasted 68 years, with Iowa farmer Charles Osborne hiccupping every 1.5 seconds from 1922 until the year he died in 1990.
The reactor lid launched into the sky like a coin. 💥
FACT
@fact5
Science Gone Wrong
The reactor lid launched into the sky like a coin. 💥
The Texas City Disaster
FACT
@fact5
Dark History
The Texas City Disaster
Women bought poison to remove unwanted hair. 🧴
FACT
@fact5
Dark History
Women bought poison to remove unwanted hair. 🧴
He broke out of the army to lift weights — and won. 🏋️
FACT
@fact5
Bizarre Human Behavior
He broke out of the army to lift weights — and won. 🏋️
Earth's biggest waterfall is hidden beneath the ocean. 🌊
FACT
@fact5
Unbelievable Records
Earth's biggest waterfall is hidden beneath the ocean. 🌊
Something out there flashes the energy of years of sunlight in 1 millisecond ⚡
FACT
@fact5
Unbelievable Records
Something out there flashes the energy of years of sunlight in 1 millisecond ⚡
🎲 Surprise me with another