reduced. This led to some decline in local populations through egg breakage during incubation but did not eventuate in widespread population decline for the Australian hobby. Hobbies are susceptible to the columbid herpesvirus-1 (CoHV-1) infection which causes death by massive splenic and hepatic necrosis. The cause of infection is often attributed to the consumption of rock pigeons (Columbia livia) which carry the disease. References Australian hobby Australian hobby Birds of the Lesser Sunda Islands Diurnal raptors of Australia Australian hobby