Roadkill can be eaten, and there are several recipe books dedicated to roadkill. It will eat roadkill or other animal carcasses. Animals that eat roadkill rabbits include vultures and buzzards. They also feed on hares, rodents, small ungulates, cats, sweet fruits, roadkill and other carrion. To fulfill this need, opossums eat the skeletal remains of rodents and roadkill animals. It forages around roadsides for large insects and roadkill. Washington state began allowing the salvage of roadkill deer and elk in 2016. Some threats are habitat loss (logging), feral animals eating their eggs, hunting, and roadkill. Despite their fondness for roadkill, fewer ravens are hit by vehicles than Australian magpies. They are frequently recorded on roadsides where roadkill provides a steady food source. Some roadkill can also be eaten. "Zombie Roadkill", alongside David Dorfman. An estimate was made of the significance of roadkill in toad populations in the Netherlands. In Europe they have the highest rate of mortality from roadkill among amphibians. Animals are also killed every year on roads by cars, referred to as roadkill.