World ‘Catastrophic breeding failure’: Second largest emperor penguin colony ‘all but disappeared’ April 25, 2019April 25, 2019Ryan W. Miller, USA TODAYComments Off on ‘Catastrophic breeding failure’: Second largest emperor penguin colony ‘all but disappeared’ Antarctic's Halley Bay colony of emperor penguins has seen a "catastrophic breeding failure" over the past three years linked to melting sea ice.