Volume 10, Number 12—December 2004
Research
West Nile Virus Outbreak in North American Owls, Ontario, 2002
Table 3
Exposurea rates and WNV-related death rates for 12 species of owls kept outdoors at the Owl Foundation property during WNV outbreak, 2002b
Speciesc | Exposure rate (%) | WNV-related DR (%) |
---|---|---|
Snowy Owl (Bubo scandiacus) | 100 | 100 |
Northern Hawk Owl (Surnia ulula) | 100 | 100 |
Northern Saw-whet Owl (Aegolius acadicus) | 92.3 | 92.3 |
Great Gray Owl (Strix nebulosa) | 100 | 91.3 |
Boreal Owl (Ae. funereus) | 90.9 | 90.9 |
Northern Pygmy Owl (Glaucidium gnoma) | 50 | 16.7 |
Short-eared Owl (Asio flammeus) | 100 | 12.5 |
Flammulated Owl (Otus flammeolus) | 22.2 | 11.1 |
Great Horned Owl (B. virginianus) | 100 | 4.5 |
Burrowing Owl (Athene cunicularia) | 90 | 0 |
Eastern Screech Owl (Megascops asio) | 72.7 | 0 |
Barn Owl (Tyto alba) | 80 | 0 |
All species | 84.3 | 43 |