Daily Postcard: A hummingbird uses great precision to hover over a Rocky Mountain Bee Plant to sip nectar Monday on Barranca Mesa. The numerous clusters of nectar-filled flowers of the Rocky Mountain Bee Plant are a magnet for many pollinators. Photo by Selvi Viswanathan

A hummingbird works hard to extract nectar Monday on Barranca Mesa. Photo by Selvi Viswanathan