Kagus are big birds. Their loud barking noise is becoming rare because only about 650 kagus are alive today. One problem for kagus is the animals that people have brought to the New Caledonia. These dogs, pigs, cats, and rats eat kagus or their eggs. Another problem is hunting.
Some people kill kagus for their meat.
But, the biggest problem for kagus is the loss of habitat. The forests of New Caledonia have been cleared for mining and agriculture, leaving only a few small valleys where the kagus can live. Manus Island Tree Snail Manus Island, north of New Guinea, is covered with rain forest. The Manus Island tree snail, a small animal with a bright green shell, lives in the tops of the trees in this forest. Overcollecting has been a serious problem for these small animals.