Here is a popular science article about predator satiation with the humble defenseless cicada.
Here is a wikipedia article on the phenomenon:
The antarctic is an example of an ecosystem characterized by sheer abundance:
"Fauna exists in overwhelming abundance, especially during the brief austral summer. Hundreds of thousands of penguins gather to breed and feed. Whales, seals and albatross share the vast spaces. Krill, the most abundant animal in the world, occupies a central place in the Antarctic ecosystem and provides the basic food source for many Antarctic predators. "
http://www.canadiangeographic.ca/polarbound/antarctic.asp
"Fauna exists in overwhelming abundance, especially during the brief austral summer. Hundreds of thousands of penguins gather to breed and feed. Whales, seals and albatross share the vast spaces. Krill, the most abundant animal in the world, occupies a central place in the Antarctic ecosystem and provides the basic food source for many Antarctic predators. "
http://www.canadiangeographic.ca/polarbound/antarctic.asp
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