Attracting Backyard Birds: Bird Feeder Selection by Emma V. Willcox, Mark E. Hostetler, Martin B. Main, Maena Voigt

“…They also provide a way to observe birds at close range. This revised 7-page fact sheet suggests useful guidelines for selecting feeders, food, feeder location, cleaning feeders, and managing for cats and squirrels. …”
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ASSESSMENT OF THE RIVER RUNOFF CHANGES IN LENKORAN NATURE REGION by Ramiz M. Mamedov, Magamed A. Abduev

“…The paper presents the results of assessment of the Lenkoran Nature Region river water status change over the period from 1990 to 2017 based on observation data from 13 closing ranges. The computations were carried out with taking into account runoff data of the rivers. …”