By animals Girdling

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holes drilled red-naped sapsucker in platanus wrightii - arizona sycamore


both herbivores , birds can girdle trees in process of normal feeding.


in north america, voles in particular prone damaging trees girdling both roots , trunk. among north american birds, sapsuckers common girdlers of trees. while sapsuckers bore holes in tree trunks feed upon insects, make parallel rings of holes in order eat sap collects in openings or feed young. attack pine, birch, maple, spruce , fruit trees , damage during breeding season , territory establishment between february , june.


the feeding activity of beavers major source of girdled trees near water sources.


many kinds of deer inadvertently girdle trees rubbing antlers on saplings , mature trees.


one of several ways rabbits damage environment in australia girdling.








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