Radar systems designed to detect avian activity at airfields are useful in understanding factors that influence the risk of bird and aircraft collisions (bird strikes). We used an avian radar system to measure avian activity at Beale Air Force Base. California. USA. https://www.soiebiologique.com/quick-sale-Axol-Friends-Mel-Axol-the-Axolotl-Black-Purple-special-save/