Lots of NZ manu have become extinct by possums, stoats,dogs, cats and more pests but it's not just the pests it is people. Who do you think brought possums in NZ? people!! If there's no trees then there's no air if there's no air there's no people then there will be nothing in the world. Pests have been killing many of our native forests.What do you think we can do to help trees by not cutting them down. Dogs and cats should not be left wandering around. They should be tied up or kept inside, especially at night. We can put up signs saying no dogs or cats allowed to protect our kiwi.