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It’s hard to believe, but true: the demise of a tall, willowy plant called the glacier lily, that grows in mountain meadows throughout western North America, could mean the end of hummingbirds. It flowers early in spring, when the first bumblebees and hummingbirds appear–or it did, anyway. In Earth’s warming temperatures, its first blooms appear around 17 days earlier than they did in the 1970s. By the time the hummingbirds fly in, many of the flowers have withered away, their nectar-laden blooms going with them.
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