CHENNAI: The exotic species of two Pygmy Marmosets and two dead Dusky Leaf Monkeys were seized by the Chennai Air Customs on Monday. As per a release from the Customs, an Indian passenger named Mohamed Nasrudeen, arrived from Bangkok by flight on Sunday and was intercepted by the Chennai Air Customs Officers based on the intelligence inputs. On examination of his check-in-luggage, two Dusky leaf monkeys were declared brought dead by the Wildlife Crime Control Bureau, Southern Region, Chennai. A Pygmy Marmoset was found alive and seized under the Customs Act, 1962 with Wildlife Protection act 1972. Pygmy marmosets are two species of small new world monkeys, native to rainforests of the western Amazon Basin in South America. The dusky leaf monkey is found in Peninsular Malaysia, Myanmar, Thailand and can occasionally be found in Singapore. The Pygmy Marmosets will be taken back to Bangkok via Thai Airways and further investigation is under progress.