Pat Shingleton: "The Final Snap and Spring Examples..."
There appears to be a battalion of folks that provide yard an lawn service. Multiple businesses visit our neighborhood and recently I visited with one of the teams. After finishing a neighbor's yard he introduced himself and is customary commented about the weather pattern that has been ideal for lawn cutting, edging and fertilizing. We compared notes on the last cold snap as I offered that the final punch won't occur after April 4th. He told me something that I never heard. He noted that a good indication of when the last "snap" will occur is after... the pecan trees blossom. Interestingly, they haven't yet so possibly a dip in the temperature could occur before the end of the month. Another resident bird watcher convinced me that when we experience our last robin, in South Louisiana, get ready for the heat. The traditional swallows have returned to Capistrano, the buzzards have arrived in Hinckley, Ohio and we're on the look-out for the purple martins. It was once believed that homing pigeons relied on the sun’s position to decipher Earth’s magnetic field for navigation. Years ago, researchers at Oxford University used tiny tracking devices, equipped with global positioning systems, to track pigeons over a three year period. They discovered that within ten kilometers of home, the pigeons followed roads, rivers, railways and hedge lines, even when it wasn’t the most direct path home. Scientists believe the birds consistently followed a memorized route.
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