Thiruvananthapuram is going through a hot, dry spell, and the only green grass at the zoo is where it is irrigated. It has rained only once in the two weeks I've been here. The animals and the human visitors were all panting in the heat.
On the positive side, the Sony DSC-HDX (where X=2,5,7,etc.), a point-and-shoot camera with an image stabilized optical zoom varying from 12x to 15x, seems to perform about as well as a p&s can. Here are some pics from the zoo. As you might imagine, in all cases, the animals were quite far away from the camera ( a DSC-H2).