Acting on a tip-off, sleuths of the Crime Branch Unit 1 kept a vigil at Saket Bridge in the Rabodi area since Thursday night and nabbed the trio when they arrived to sell the pangolin, senior inspector Nitin Thakre said.
The rescued creature, weighing around 10kg and 92cm in length, is worth Rs 40 lakh, he said.
According to the police, the trio had come down to Thane for selling the animal to a customer.
The police are trying to find out if there was a big gang behind the smuggling and sale of rare wildlife species, he said.
All three were booked under the relevant sections of the Wildlife Protection Act, 1972, Bagul said, adding further probe was underway.
On October 3, Crime Branch officials hadseized scales of pangolins, weighing around 6kg and valued at Rs 20 lakh, from three persons in the city, police had said.
Pangolin scales are said to have medicinal usages.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)