https://dxnest.com/xuong-gia-c....ong-yen-hu-nha-trang
The hummingbird net is one of the most important tools for researchers who study hummingbirds. These giant, invisible mist nets are strung in areas where hummers frequent. When a hummer passes by, the net's soft folds catch it, and it falls gently into them. The bird is not stressed and an experienced hummingbird bander can remove the net from a caught hummer quickly without harming it. Once a male establishes a feeding territory, he defends it from other hummingbirds. He attracts females with spectacular courtship flights. During the
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