Ungues, also known as claws or talons, are used by animals for various purposes such as defense, hunting, and climbing. Synonyms for ungues include nails, hooves, and paws, which are used by different animals depending on their species and habitat. For example, horses and deer have hooves, while dogs and cats have claws. Birds of prey such as eagles and owls have strong talons that they use to catch their prey. The use of synonyms is important to accurately describe the physical characteristics of different animals and their various adaptations for survival.