The New Indian Express. THIRUVANANTHAPURAM: A male gray langur was born at the Thiruvananthapuram Zoo on Friday, officials informed. While its mother died due to cardiac arrest following intrauterine bleeding. THIRUVANANTHAPURAM: A mother langur died shortly after giving birth to a male baby monkey at the capital's zoo. A special task force has stepped in to provide care for the new born Hanuman langur.