By Jim Williams, Special to the Star Tribune

BirdCast provides live and local bird migration alerts throughout the country with real-time analysis of bird migration traffic as detected by the U.S. network of weather surveillance radars.

This tool can be used to determine whether birds are migrating in your area on a given night in low, medium or high densities. Heavy nighttime migration could mean excellent birding the following morning when the birds come down to rest and eat.

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