Making the most of the old age: Autumn breeding as an extra reproductive investment in older seabirds - Ramírez - 2021 - Ecology and Evolution - Wiley Online Library
Little (blue) penguin
New England Aquarium welcomes African penguin chick into colony on exhibit
Penguin - Wikipedia
Little Blue Penguins ~ MarineBio Conservation Society
The 9th International Penguin Congress: 'The future is not looking rosy
PDF) CLIMATE CHANGE AND LITTLE PENGUINS
Galapagos penguin - Wikipedia
Global Penguin Society