prowl

to move quietly and carefully around an area, especially with the intention of committing a crime or, for animals, to find other animals to eat เดินด้อมๆ มองๆ

They often operate in gangs and prowl the markets in the late afternoons and evenings.

In places where tigers live but humans are scarce, the animals tended to prowl throughout the day and night.

For now, Mr Narong and other local officials are trying to stop krathom trafficking by intercepting the young people who prowl the forests, often at night, in search of the leaves.