Juvenile tortoises typically eat 16.7% of their own body weight in plant matter every day, and have the effenciency of herbivorous mammals such as horses and rhinos *The Galapagos tortoise shares a mutualistic relationship with Galapagos finches, where the bird will hop extitedly in front of the tortoise until the tortoise extends its legs to allow for the finch to remove parasites such as tics. *Female Galapagos tortoises dig nests, an exaustive task taking the female several hours per day over many days. Additionally, they do it blinding using their back legs.