nibble

to take small bites of something, especially food เล็ม, แทะ, กัดทีละน้อย

Within seconds, an army of fish will gather at the customer's feet and nibble the dead skin tissue away.

That night, I photographed a male impala that jumped the electric fence to nibble on the soft grass inside the hotel grounds.

The nests themselves are actually made of sawdust which the wasps nibble off things such as old fence posts and mix with their saliva.