Volume 10, Number 12—December 2004
Research
West Nile Virus Outbreak in North American Owls, Ontario, 2002
Figure 1

Figure 1. A) Dead corvid (family Corvidae) sightings at the Niagara region, July 5–October 4, 2002, and B) daily death rates at the Owl Foundation during the same period. 1) First WNV-positive crow 2) and first and 3) last WNV-related deaths at the Owl Foundation are shown.