Climate change and habitat loss are having a devastating impact on wildlife around the world, pushing some species, quite literally, to the brink. The International Union for Conservation of Nature (IUCN) has been compiling a Red List of Threatened Species since 1963 and we’ve combined that information with data from the World Wildlife Fund (WWF) to rank the world’s most endangered animals, focusing on those still living in the wild and not surviving solely in captivity.

Click through the gallery to see our countdown of the animals we believe are most in danger, culminating in the creature most under threat…