Birds of Nova Scotia - Long-eared Owl - Long-eared Owl status, description, breeding, range, remarks and picture. museum.gov.ns.ca/mnh/nature/nsbirds/bns0216.htm
Indian Scops Owl - Otus Bakkamoena - Facts about the Scops owl with a picture, from Kielder Water Bird of Prey Centre www.discoverit.co.uk/falconry/scops.htm
Otus asio (Eastern Screech-Owl) - Species account from the Animal Diversity Web. animaldiversity.ummz.umich.edu/accounts/otus/o._asio$narrative.html
