There were 2,000 vultures in Bharatpur s Keoladeo National Park during the 1980s. In 1998 experts could spot only four . Ornithologist Asad Rahmani fears that the vulture is disappearing throughout India. To find out the reason for this decline,
King penguin chicks are remarkably adept at hearing their parents' voices over the din of the colony, researchers have found. This ability, which is shared by humans, is known as the "cocktail party