Impression Evidence Impression evidence includes any markings produced when one object comes into contact with another, leaving behind some kind of indentation or print. Such evidence encountered includes footwear impressions, tyre marks, and markings created by tools and similar instruments. Footwear Impressions Whenever an individual takes a step, a footwear impression may potentially be left behind on the surface.
Invalid Hatch Boundaries. When a hatch boundary cannot be determined, it might be because the specified internal point is not within a fully enclosed area. Red circles are displayed around unconnected endpoints of the boundary to identify gaps in the hatch boundary. NoteIf a boundary is outside a screen display, you must zoom out to ensure the point selected is within a fully enclosed area.
FIGURE 8: Template for proper size & and shape of a wood duck nest box entrance hole. 37 5. IDENTIFYING PREDATORS OF WOOD DUCK HENS AND EGGS IN WASHINGTON Telltale Signs to Look For RACCOON: The dead wood duck hen is often present in or near box.. The 3 inch by 4 inch elliptical nest box entry hole is a good guard against raccoons in Washington State. Early nest box designers found that raccoons one year old and older could not enter holes 3 inches by 4 inches in size, but the hole size is just large enough so that wood ducks can enter it. 2.