Boa-constrictors, paradoxical frogs, hoatzins, bush babies and tucotucos - they're all part of what Gerald Durrell casually calls his "big family". Each animal in his meagerie exhibits such curious habits and eccentricities. There was Chomondely the chimpanzee, for example, who was ' king' of the collection, liked a good cigarette and his tea not too hot, but had a horror of snakes!