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.

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

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.

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.

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

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.

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.