if it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck English

Meaning if it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck meaning

What does if it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck mean?

if it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck proverb

— Someone can identify a subject by observing its habitual characteristics.