F I G U R E 2 Satellite map of the study area showing the locations of belugas found in the VHR imagery as red dots and the areas of suitable imagery as yellow boxes, with the image dates (day, month, year) and satellites used to count each group of whales. We assessed two images of Area 2, taken 73 s apart, the counts from these two images are classed as groups 5 and 6 from one image and groups 5a and 6a from the second image.