Kolkata: The Wildlife Wing of the state Forest department seized 20 birds of three scheduled species of parakeets from Galif Street on Sunday.No one could be arrested as offenders probably had sensed danger and abandoned the cages full of birds to save themselves. According to sources, acting on a sources information sleuths from Forest department conducted a special raid on Sunday morning at Galif Street. Forest department officials posed as prospected buyers of pets and was taking a round of the pet market for possible catch. After almost an hours, some of them noticed few cages covered with pieces of cloth which were abandoned. Suspecting something fishy, sleuths started keeping strong vigil on the cages. But after waiting for a long time no one came to pick up those cages. Also Read – Rs 13,000 crore investment to provide 2 lakh jobs: MamataLater, forest officials removed the cloth pieces and found three species of birds identified as rose ringed parakeets, alexandrine parakeets and grey headed starling. Immediately, the birds were seized and it was found there are 20 birds from the schedule of forest department regulations which are banned for trade. Later, the birds were taken to the wild life rehabilitation centre in Salt Lake. A case has been lodged. A forest officials said they are continuously trying to inform people not to buy any scheduled birds as it is illegal. The aim is to save and conserve wildlife by awareness of common people. Earlier this month, state Forest department and Wildlife Crime Control Bureau (WCCB) jointly carried out a raid at Galif Street, after the officials got a tip off that several endangered species of birds were being sold by a few persons. A large number of birds were recovered during the raid and nine persons are arrested by the officials of forest department and WCCB.