TWO IN THE BUSH by Gerald Durrell. 255 pages. Viking. $4.95.
A reader does not get far into this book before beginning to suspect that it is a put-on. Who ever heard of the long-nosed bandicoot? Or the brolgas, which break into a wild, wing-flapping dance at the sound of a bell? How about the racquet-tailed drongo, and the mudskipper, a hippopotamus-shaped fish that likes to skitter across mud flats and climb mangrove roots? Or the mallee fowl, which assiduously builds an incubator for its eggs and keeps the temperature inside at a steady 95°, come rain or shine? Curious specimens these,...