Southern boobook north of Perth. There, southern boobook owls are dying after eating rodents that people have killed with second-generation anticoagulant rat poison. Older poisons such as warfarin or coumatetralyl were unlikely to affect owls. Southern boobook The southern boobook ("Ninox boobook") is a species of owl native to mainland Australia, southern New Guinea, the island of Timor, and the Sunda Islands. Described by John Latham in 1801, it was generally considered to be the same species as the morepork of New Zealand until 1999. Its name is derived from its two-tone "boo-book" call. Eleven subspecies of the southern boobook are recognized,
Southern boobook grasshoppers, crickets, beetles, cockroaches, moths, wolf spiders, and huntsman spiders were also consumed. A study in Victoria found that larger animals were eaten, including Baillon's crake ("Porzana pusilla"), common ringtail possum ("Pseudocheirus peregrinus") and feral rabbit ("Oryctolagus cuniculus"). Using a fence, branch, or telegraph pole as a perch or vantage point from which to hunt, the southern boobook pounces on prey then retreats to a tree or elevated place to eat it. It often hunts in open areas near trees, and also where prey is likely to congregate, such as mice near haystacks or barns, or flying insects near street-