A fox squirrel licks maple sap collecting around groves he knawed in the bark of this sugar maple tree (Acer saccharum). "Sugaring Season," has arrived, when freezing nights cause maple roots to collect water and warmer daytime tempera-tures cause stem pressure to develop , pushing sap out holes in the bark . Perhaps long before Europeans arrived in America, Native Americans discovered how and when to extract maple sap by watching squirrels.
Image Location: United States, South Dakota, Brookings
Web Page and Pictures By Peter Leitheiser