Thousands of fish washed up in Chicago and hundreds of birds perish in California as animal deaths continue to bemuse scientists

Animal deaths: Thousands of dead fish in Chicago and hundreds of birds in California | Mail Online: "Thousands of gizzard shad fish have been washed up on Chicago's harbours while more than 100 dead birds have been found clustered on a California highway.

The two instances appear to be a continuation of the strange mass animal deaths that have struck in the past fortnight - in America and elsewhere."