When did the bush viper become extinct?

If you catch endangered animal that only eats endangered plants what are you going to do and why? What can humans do to prevent extinction? In Bud Not Buddy what are the names of the dusky devastators of the depression? What are some of the obstacles that scientists police and environmental groups face in preventing species loss? How does a koala walk? What affects a tigers population? Are opossum endangered? Why is genetic homozygosity dangerous to the nearly extinct species? Do pandas eat mud? Does a lynx live in Joshua Tree National Park? Why are slow loris endangered? Why does the aye-aye have a bushy tail? Why help save and not help saving? Why did brachiopods go extinct? What were effects specie circular? What is a cautious? Is the chokecherry tree safe to use for firewood? How should savings be treated when setting up a budget? Where can one buy egg poachers? Are penquins getting endangered?