Priorities for cat curfew cat cur Apply urban buffer of 500 to 1000m to hotspots Of 114 suburbs, 57 (50%) within 500m of important known habitat A further 31 suburbs (27%) within 1000m Only 26 beyond distance a cat might travel to hunt 5
Barratt in early 1990s collected prey remains from presentations by 450 cats to owners Average catch of 10.2 prey items a cat per year 67 different species caught House mouse 56% and rat 8% of items killed 18 % of prey native birds 7% native reptiles 10,000 crimson rosellas + 20,000 silvereyes estimated to be caught by domestic Canberra cats
Kunihira from 1993 -1995 collected 400 scats from stray cats at Parliament House and the ANU. Opportunistic feeders, food items included insects (gryllids, mantids, moths, grasshoppers, beetles, cicadas, dragonflies, flies, cockroaches and butterflies), mice and rats, ringtail possums, brushtail possums and food scraps. Insects most frequent food item, followed by mammals of which possum most important. Birds more important than scraps.
Scared to Death Predators can have sub-lethal affects through changing prey behaviour affecting birth and death rates. English study found that even a small decline in song bird fecundity, resulting from changed behaviour from cat presence, can lead to local extinctions 167 studies highlight fear impacts much worse than kills
Night vs Day time Curfew Cats travel further at night 62% of mammals caught at night 70% of birds and 90% reptiles caught during the day Prey caught /cat /yr Night curfew No curfew Mammals and amphibians 6.2 7.6 Birds and Reptiles 3.6 3.0