Fail Whale for Twitter: Twitter's error message when she is overloaded

The front graphics of What is Fail Whale, http://www.whatisfailwhale.info

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What is Fail Whale, http://www.whatisfailwhale.info

The "Fail Whale" is this above graphic of a whale held up by a flock of birds illustrated by Yiying Lu.

It was used during periods of downtime by the social networking service Twitter.com, which allows users to submit and share brief messages known colloquially as "tweets." When Twitter gets overloaded, users see the "Fail Whale" error message.