And crows are a lot smarter than pigeons.

On 12/6/2017 09:50, Daniel J. Matyola wrote:
"While it is unlikely Sam recognized me"

Don't be so sure, Ann.  I read a scientific paper on city pigeons, where it
was demonstrated that the definitely recognized human faces, and can retain
the memories for extended periods of time,

Dan Matyola

Science - Questions we may never find answers for.
Religion - Answers we must never question.

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