Indian Paintbrush - Hummingbirds' haven

Years ago, I was hiking over a high mountain pass enjoying the insane, kamikaze flights of at least fifty hummingbirds intent on gathering nectar from a field of brilliant red paintbrushes. I was euphoric, completely surrounded by their buzzing antics, when a wild-eyed, bearded, gnome-like man burst out of the nearby forest bellowing expletives at me. I stopped on the trail, more confused by the man running towards me than worried. I felt like I had hiked into a fairy tale.

Ends up he was a college student studying hummingbirds and their relationship to Indian Paintbrushes. He had been worried...