re: duck hunting: what does "call sparingly" mean?

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I like this statement. Key word is "Use" here. Most people just blow and have no idea how to "Use" a call. My dad used to take me to our rice field after the season and made me listen to pintail, mallards, teal, and whatever else was out there. He then made me sit there in the field and call and until he felt i had it right, we didnt leave.

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^ This.

I used to sit in the blind during the split and just watch and listen. No one knows how to call a duck better than another duck.