Southern rockhopper penguin feeding, and foraging but these penguins are able to survive and be shaped due to their variation, ability to adapt over time, and plasticity. As the climate changes, prey and predators have to adapt to survive. This poses a problem for southern rockhopper penguins. Depending on how Crustaceans and other prey adapt to survive, penguins will have to adapt or disperse as well. "E. chrysocome's" foraging behavior is largely dependent and shaped by the environment, including factors like weather and food availability. As temperatures around the world increase then something will have to change once more in order for the
Northern rockhopper penguin drop in the population at Gough Island has been described as equivalent to the loss of 100 birds every day since the 1950s. A study published in 2009 showed that the world population of the northern rockhopper had declined by 90% since the 1950s, possibly because of climate change, changes in marine ecosystems and overfishing for squid and octopus by humans. Other possible factors in the decline include disturbance and pollution from ecotourism and fishing, egg-harvesting, and predation and competition from subantarctic fur seals ("Arctocephalus tropicalis"). Surveys show that the birds are at risk of infection by goose barnacles. House