Volume 10, Number 12—December 2004
Research
West Nile Virus Outbreak in North American Owls, Ontario, 2002
Ady Y. Gancz*
, Ian K. Barker*, Robbin Lindsay†, Antonia Dibernardo†, Katherine McKeever‡, and Bruce Hunter*
, Ian K. Barker*, Robbin Lindsay†, Antonia Dibernardo†, Katherine McKeever‡, and Bruce Hunter*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 |
