The effect on the insects must have been still greater, for six insectivorous birds were very common in the plantations, which were not to be seen on the heath; and the heath was frequented by two or three distinct insectivorous birds.
Intsektuengan handiagoa bide zen ondorena; izan ere, txilardian topa ezin zitekeen sei txori intsektujale ezberdin oso arruntak ziren pinadian, eta txilardian bizpahiru txori intsektujale ezberdin zebiltzan.