It's a fucking quackless duck fellows: https://en.wikipedia.org/wiki/Muscovy_duck

> Muscovy ducks are also less noisy, and sometimes marketed as a "quackless" duck; even though they are not completely silent, they do not actually quack (except in cases of extreme stress).

What does TypeScript say about this? What about duck-typing? Is it a fucking duck?! This shatters everything.

species of bird

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