Birds ... are sensitive indicators of the environment, a sort of "ecological litmus paper," ... The observation and recording of bird populations over time lead inevitably to environmental awareness and can signal impending changes.

The other creatures with which we share this world have their rights too, but not speaking our language, they have no voice, no vote; it is our moral duty to take care of them.

Conservation is not just an ideal that we read about; it works.

I can recognize the calls of practically every bird in North America. There are some in Africa I don't know, though

Birds have wings; they're free; they can fly where they want when they want. They have the kind of mobility many people envy.

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

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