Wild Pigs Turn 'Neon Blue' in California:

Game hunters have found startlingly 'neon blue' flesh inside of wild pigs in California, triggering advisory statements on potential contamination. "I'm not talking about a little blue," said Dan Burton, owner of a wildlife control company. "I'm talking about neon blue, blueberry blue."

An investigation by local authorities found the dramatic color change was caused by rodenticide poisoning and has issued a warning across the Monterey County area. This poison is often sold dyed for identification, and its use has been highly restricted in California since 2024. [...]

A popular rodent control in agriculture, diphacinone is a first generation rodenticide that acts as an anticoagulant, causing severe internal bleeding.

Predators, including humans, who eat an animal poisoned with the toxin can become ill themselves; while the chemical breaks down faster than second generation rodenticides, diphacinone remains active in the dead animal's tissues for some time, even if cooked. [...]

The CDFW is urging anyone who encounters blue animals or other abnormalities to report them to the Wildlife Health Lab.

So many previouslies:

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