Corticosterone and behavioural responses of emperor penguins to people and confinement, Cape Washington 2004-2005

Corticosterone and behavioural responses of emperor penguins were measured in birds that were followed for up to 30 minutes. Blood samples were taken and corticosterone concentrations measured. Penguins were also confined in a pen for 15 or 30 minutes with behavioural observations recorded during the period of confinement and the collection of a single blood sample following.