Ailsa Howard says introducing people to the birds' habitat opens them up to the risk of being stepped on or being attacked by other predators.
Even invasive species "deserve protection from suffering pain or distress", SPCA says. But Forest and Bird calls the stance "flawed logic".
Guardians of the Kāpiti Marine Reserve say there's been a massive increase in reported cases of illegal fishing in the reserve.
The Government says there's a critical need for a surge of investment in research that'll generate long-term solutions to the spread of the two diseases.