The smock mill Goliath in front of the wind farm Growind in Eemshaven in the Netherlands. A windmill is a mill that converts the energy of wind into rotational energy by means of vanes called sails or blades. Centuries ago, windmills usually were used to mill grain (gristmills), pump water (windpumps), or both.
When bat guano is harvested, it is in a powdered form. Plants that can benefit from the use of bat guano fertilizer include vegetables, herbs, ornamentals, and fruit and nut trees.
This leaf-nosed bat uses sound waves and echoes--a technique called echolocation--to capture prey, such as crickets. Bats are a fascinating group of animals. They are one of the few mammals that can use sound to navigate--a trick called echolocation.