Southern cassowaries are critically important seed dispersers in Australian and New Guinea rainforests — their welfare faces threats from roads and habitat loss.
Cassowary welfare is shaped primarily by road mortality in their increasingly fragmented rainforest habitat. Vehicle strikes cause acute traumatic injury that may not be immediately fatal — struck cassowaries can survive for hours or days with severe injuries before dying or being found and euthanized. Reducing road mortality requires community engagement around driver behavior, cassowary crossing infrastructure, and removal of attractant garden plants that draw birds near roads. The welfare case for protecting cassowaries from vehicle strike is also a conservation case — each individual loss in a population of 4,000 is significant, and the ecological function they provide in seed dispersal creates cascading benefits for the entire rainforest community.