What will we be able to do by further research on animals' tool use? Part 4 In general, tools are used by animals only to The perform simple tasks such as getting food. Egyptian vulture drops a rock from the air on an ostrich egg to break it open. Orangutans use sticks to tools for other get nuts and ants. Some animals use simple purposes. A gorilla was seen breaking off a tree branch and using it as a walking stick as she waded through a swamp. Elephants pick up a stick and rub an itch with it if they are unable to do that with their long trunk. An orangutan モ Iture [váltjar] os trich [ástrit] orang•u•tan [ɔ:ræŋətæn] ril·la [gǝrilə] wade [wéid] swamp [swámp] rub [ráb] e key, so he broke the box open. d through the snow and finally got to school. ng and I quickly picked it up.