What colour is bird blood?

Specifically, the colour of the blood of the following birds: Magpie Raven Parrot Bonus points if you tell me WHY their blood is that colour. Here's the explanation. I'm writing a story where the protagonist is a bird creature. Qess (that's the name of the protag) is injured, and I want to know what... show more Specifically, the colour of the blood of the following birds:
Magpie
Raven
Parrot

Bonus points if you tell me WHY their blood is that colour.

Here's the explanation. I'm writing a story where the protagonist is a bird creature. Qess (that's the name of the protag) is injured, and I want to know what colour their blood is so I can accurately describe the colour.
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