Birds, it must be admitted, are the most exciting and most deserving of the vertebrates; they are perhaps the best entre into the study of natural history, and a very good wedge into conservation awareness.

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.

The more you look, the more you will see.

The truth of the matter is, the birds could very well live without us, but many -- perhaps all -- of us would find life incomplete, indeed almost intolerable without the birds.

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.

Penguins are an indicator of the health of our watery planet, and if they are unable to survive, we had better take notice or we might find our own survival threatened.

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