They never forage for food on the ground which is unusual for whistlers which typically do not forage at particularly high levels .
While rufous whistlers primarily feed on insects , they also eat seeds , fruit and occasionally , leaves and grasses .
whistlers never forage for food on the ground which is unusual for whistlers which typically do not forage at particularly high levels .
While rufous whistlers primarily feed on insects , they also eat seeds , fruit and occasionally , leaves and grasses .