Massive Snake Hanging from Tree in Pennsylvania Park Sparks Public Alert On 4/9/21 at 6:48 AM EDT Wildlife authorities in Pennsylvania issued an alert on Thursday after a species of snake was spotted at Pittsburgh's Frick Park. Pittsburgh Park Rangers and experts from the city's Animal Care & Control conducted a search of the park after a "large snake" was pictured on a tree. Concerns were raised after the witness told officials the reptile "did not appear to be a native species." An alert was issued by the Pittsburgh Public Safety Twitter account, which posted an image of the then-unidentified snake on the tree's branches.