America Quote by Roger Tory Peterson

Birds are an ecological litmus paper.

— Roger Tory Peterson

More birds have adapted to a changing world than have failed. Very few have the narrow tolerance of the ivory-billed woodpecker or the Bachman's…

— Roger Tory Peterson

The philosophy that I have worked under most of my life is that the serious study of natural history is an activity which has…

— Roger Tory Peterson

Penguins are an indicator of the health of our watery planet, and if they are unable to survive, we had better take notice or…

— Roger Tory Peterson

Butterflies are very interesting. Here these things are little grubs for a while. And then they go into a little coffin. There they are…

— Roger Tory Peterson

Birds are indicators of the environment. If they are in trouble, we know we'll soon be in trouble.

— Roger Tory Peterson

Vultures are homely, but they clean up all the garbage and that's good. And they're elegant in the sky.

— Roger Tory Peterson

The more you look, the more you will see.

— Roger Tory Peterson

Butterflies may be better indicators of the health of our environment than birds.

— Roger Tory Peterson

Of all the various out-door recreations I have tried, when it comes to genuine, exciting sport, give me hunting with a camera…

— Roger Tory Peterson

Birds ... are sensitive indicators of the environment, a sort of "ecological litmus paper," ... The observation and recording of bird populations over time…

— Roger Tory Peterson

Not all is doom and gloom. We are beginning to understand the natural world and are gaining a reverence for life - all life.

— Roger Tory Peterson