Owls can be pretty easy to find in Calgary. Their impeccable camouflage, perfected over the course of millions of years of evolution, isn't very effective when the tree they're in is surrounded by dozens of photographers.

In a popular Calgary park, longtime birdwatcher and wildlife photographer Jean Wallace found herself in the presence of a family of great horned owls. That sounds like a magical moment with nature, but Wallace was concerned about the actions of other photographers.

"They were on…