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Puffins are colonial breeders, gathering in large groups to dig nesting burrows on...
Punta Tombo Penguins
Every breeding season, some 400,000 Magellanic penguins (Spheniscus magellanicus)...
In the 1940s the short-tailed albatross population plummeted from tens of millions...
Once common in the West Indies, the Black Capped Petrel (Pterodroma hasitata),...