The Cascade Bird Box Team (CBBT) maintains several groups of nest boxes in south Delta, and supplies nest boxes to many parts of the Lower Mainland. These nest boxes and their current status are shown on a Google map.
The map consists of individual layers for each year’s survey data for the south Delta nest boxes, controlled by a series of checkboxes with self-explanatory titles on the left side of the screen. Checking the box reveals the layer’s legend to show what species occupied each nest box.
The bottom layer/map CBBT barn owl box approximate shows approximate locations of the CBBT barn owl boxes in the Lower Mainland. Zoom the map with the mouse wheel, and drag the mouse to various parts of the map.