India, March 10 -- Two smooth-coated otters, a species that was last seen in 2004 at the Delhi zoo, are among several animals that are set to arrive in Delhi in a slew of exchanges with zoological parks across India, officials said. The otters and 10 star tortoise will arrive from the Surat zoo, in exchange for five sangai deer, two blue-and-yellow macaws and four green-cheeked conure. In another exchange with the Lucknow zoo, Delhi will receive swamp deer in exchange for chinkara, officials said. The zoo has seen a spate of recent animal deaths, with zoo authorities stating they are looking to bring in more species, including leopards, lions and a Himalayan black bear. "The lions are likely to be brought from Indore Zoo and the Himalayan black bear from Jammu zoo," Kumar said.htc...