The purpose of keeping any collection of wild animals in confinement should be threefold; first, to conduct as complete as possible a biological study of every species, especially those aspects which are too difficult or too costly to study in the wild and which may help in the preservation of that species in its natural habitat; second, to aid severely endangered species by setting up, under ideal conditions, protected breeding groups and, eventually, a reintroduction programme, so helping to ensure their future survival; thirdly, by the display and explanation of this work to the public, to persuade people of the vital necessity and urgency for the overall conservation of nature.

His pen squeaking like a demented wren as he wrote copious notes.

You are not necessarily depriving him of his liberty, for territory is a form of natural cage and the word 'liberty' does not have the same connotation for an …

An immensely tall, angular figure ... His gown hung round him in long folds like the wings of a bat, and his wig was perched slightly askew over a lantern jawe…

After remaking the animal's organism in accordance with our design, which naturally caused more or less damage to the experimental animal, we had to find a mod…

Physiological experiment on animals is justifiable for real investigation, but not for mere damnable and detestable curiosity.

Animals are not our playthings. We are on this earth to protect them. It's our duty.