The Nature Discovery Centre - Dashing black swan on the lake! Originally from Australia, they are similar in size to white or mute swans. Although they can look completely black in colour,
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What is a Black Swan event?. Necessary and sufficient conditions | by Jørgen Veisdal | Cantor's Paradise
![Amazon.fr - The Black Swan: Second Edition: The Impact of the Highly Improbable: With a new section: "On Robustness and Fragility". - Taleb, Nassim Nicholas Nicholas - Livres Amazon.fr - The Black Swan: Second Edition: The Impact of the Highly Improbable: With a new section: "On Robustness and Fragility". - Taleb, Nassim Nicholas Nicholas - Livres](https://images-na.ssl-images-amazon.com/images/I/71+3WQvOOpL.jpg)